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From: Christoph Hellwig <hch at lst.de>
To: mptcp at lists.01.org
Subject: [MPTCP] [PATCH 05/22] net: remove compat_sock_common_{get, set}sockopt
Date: Fri, 17 Jul 2020 08:23:14 +0200	[thread overview]
Message-ID: <20200717062331.691152-6-hch@lst.de> (raw)
In-Reply-To: 20200717062331.691152-1-hch@lst.de

[-- Attachment #1: Type: text/plain, Size: 13520 bytes --]

Add the compat handling to sock_common_{get,set}sockopt instead,
keyed of in_compat_syscall().  This allow to remove the now unused
->compat_{get,set}sockopt methods from struct proto_ops.

Signed-off-by: Christoph Hellwig <hch(a)lst.de>
---
 include/linux/net.h      |  6 ------
 include/net/sock.h       |  4 ----
 net/core/sock.c          | 30 ++++++------------------------
 net/dccp/ipv4.c          |  4 ----
 net/dccp/ipv6.c          |  2 --
 net/ieee802154/socket.c  |  8 --------
 net/ipv4/af_inet.c       |  6 ------
 net/ipv6/af_inet6.c      |  4 ----
 net/ipv6/ipv6_sockglue.c | 12 ++----------
 net/ipv6/raw.c           |  2 --
 net/l2tp/l2tp_ip.c       |  4 ----
 net/l2tp/l2tp_ip6.c      |  2 --
 net/mptcp/protocol.c     |  6 ------
 net/phonet/socket.c      |  8 --------
 net/sctp/ipv6.c          |  2 --
 net/sctp/protocol.c      |  4 ----
 16 files changed, 8 insertions(+), 96 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 016a9c5faa3479..858ff1d981540d 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -165,12 +165,6 @@ struct proto_ops {
 				      int optname, char __user *optval, unsigned int optlen);
 	int		(*getsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, int __user *optlen);
-#ifdef CONFIG_COMPAT
-	int		(*compat_setsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, unsigned int optlen);
-	int		(*compat_getsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, int __user *optlen);
-#endif
 	void		(*show_fdinfo)(struct seq_file *m, struct socket *sock);
 	int		(*sendmsg)   (struct socket *sock, struct msghdr *m,
 				      size_t total_len);
diff --git a/include/net/sock.h b/include/net/sock.h
index 4bf8841651486d..1fd7cf5fc7516c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1744,10 +1744,6 @@ int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags);
 int sock_common_setsockopt(struct socket *sock, int level, int optname,
 				  char __user *optval, unsigned int optlen);
-int compat_sock_common_getsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, int __user *optlen);
-int compat_sock_common_setsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, unsigned int optlen);
 
 void sk_common_release(struct sock *sk);
 
diff --git a/net/core/sock.c b/net/core/sock.c
index e085df79482520..018404d1762682 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3199,23 +3199,14 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_getsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_getsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, int __user *optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_getsockopt != NULL)
+	if (in_compat_syscal() && sk->sk_prot->compat_getsockopt)
 		return sk->sk_prot->compat_getsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_getsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_getsockopt);
 
 int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags)
@@ -3240,23 +3231,14 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_setsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_setsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, unsigned int optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_setsockopt != NULL)
+	if (in_compat_syscall() && sk->sk_prot->compat_setsockopt)
 		return sk->sk_prot->compat_setsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_setsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_setsockopt);
 
 void sk_common_release(struct sock *sk)
 {
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index a7e989919c5307..316cc5ac0da72b 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -999,10 +999,6 @@ static const struct proto_ops inet_dccp_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw dccp_v4_protosw = {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 650187d688519c..b50f85a72cd5fc 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1083,8 +1083,6 @@ static const struct proto_ops inet6_dccp_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index d93d4531aa9bc5..94ae9662133e30 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -423,10 +423,6 @@ static const struct proto_ops ieee802154_raw_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* DGRAM Sockets (802.15.4 dataframes) */
@@ -986,10 +982,6 @@ static const struct proto_ops ieee802154_dgram_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Create a socket. Initialise the socket, blank the addresses
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index ff141d630bdf09..4307503a6f0b41 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1043,8 +1043,6 @@ const struct proto_ops inet_stream_ops = {
 	.sendpage_locked   = tcp_sendpage_locked,
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
@@ -1073,8 +1071,6 @@ const struct proto_ops inet_dgram_ops = {
 	.sendpage	   = inet_sendpage,
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
@@ -1105,8 +1101,6 @@ static const struct proto_ops inet_sockraw_ops = {
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b304b882e0312f..0306509ab06374 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -688,8 +688,6 @@ const struct proto_ops inet6_stream_ops = {
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
 };
@@ -717,8 +715,6 @@ const struct proto_ops inet6_dgram_ops = {
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 20576e87a5f7e8..6ab44ec2c369da 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -914,12 +914,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_setsockopt != NULL)
-			return udp_prot.compat_setsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level == SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.setsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
@@ -1480,12 +1476,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_getsockopt != NULL)
-			return udp_prot.compat_getsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level == SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.getsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8ef5a7b30524fd..e23c6b46175870 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1378,8 +1378,6 @@ const struct proto_ops inet6_sockraw_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 955662a6dee754..f8d7412cfb3d37 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -638,10 +638,6 @@ static const struct proto_ops l2tp_ip_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw l2tp_ip_protosw = {
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 526ed2c24dd5e0..2cdc0b7a7a43c3 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -773,8 +773,6 @@ static const struct proto_ops l2tp_ip6_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index dbe43e0cd734e4..f0b0b503c2628d 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2166,10 +2166,6 @@ static const struct proto_ops mptcp_stream_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw mptcp_protosw = {
@@ -2222,8 +2218,6 @@ static const struct proto_ops mptcp_v6_stream_ops = {
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 76d499f6af9ab3..87c60f83c18061 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -441,10 +441,6 @@ const struct proto_ops phonet_dgram_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_no_setsockopt,
 	.getsockopt	= sock_no_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = sock_no_setsockopt,
-	.compat_getsockopt = sock_no_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
@@ -466,10 +462,6 @@ const struct proto_ops phonet_stream_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_common_setsockopt,
 	.getsockopt	= sock_common_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index ccfa0ab3e7f481..ebda31b7747d08 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1033,8 +1033,6 @@ static const struct proto_ops inet6_seqpacket_ops = {
 	.mmap		   = sock_no_mmap,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index cde29f3c7fb3c4..8d25cc464efdf3 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1036,10 +1036,6 @@ static const struct proto_ops inet_seqpacket_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Registration with AF_INET family.  */
-- 
2.27.0

WARNING: multiple messages have this Message-ID

From: Christoph Hellwig <hch@lst.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Chas Williams <3chas3@gmail.com>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
	Florian Westphal <fw@strlen.de>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org, netfilter-devel@vger.kernel.org,
	linux-sctp@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-bluetooth@vger.kernel.org,
	bridge@lists.linux-foundation.org, linux-can@vger.kernel.org,
	dccp@vger.kernel.org, linux-wpan@vger.kernel.org,
	mptcp@lists.01.org
Subject: [PATCH 05/22] net: remove compat_sock_common_{get,set}sockopt
Date: Fri, 17 Jul 2020 08:23:14 +0200	[thread overview]
Message-ID: <20200717062331.691152-6-hch@lst.de> (raw)
In-Reply-To: <20200717062331.691152-1-hch@lst.de>

Add the compat handling to sock_common_{get,set}sockopt instead,
keyed of in_compat_syscall().  This allow to remove the now unused
->compat_{get,set}sockopt methods from struct proto_ops.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/net.h      |  6 ------
 include/net/sock.h       |  4 ----
 net/core/sock.c          | 30 ++++++------------------------
 net/dccp/ipv4.c          |  4 ----
 net/dccp/ipv6.c          |  2 --
 net/ieee802154/socket.c  |  8 --------
 net/ipv4/af_inet.c       |  6 ------
 net/ipv6/af_inet6.c      |  4 ----
 net/ipv6/ipv6_sockglue.c | 12 ++----------
 net/ipv6/raw.c           |  2 --
 net/l2tp/l2tp_ip.c       |  4 ----
 net/l2tp/l2tp_ip6.c      |  2 --
 net/mptcp/protocol.c     |  6 ------
 net/phonet/socket.c      |  8 --------
 net/sctp/ipv6.c          |  2 --
 net/sctp/protocol.c      |  4 ----
 16 files changed, 8 insertions(+), 96 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 016a9c5faa3479..858ff1d981540d 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -165,12 +165,6 @@ struct proto_ops {
 				      int optname, char __user *optval, unsigned int optlen);
 	int		(*getsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, int __user *optlen);
-#ifdef CONFIG_COMPAT
-	int		(*compat_setsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, unsigned int optlen);
-	int		(*compat_getsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, int __user *optlen);
-#endif
 	void		(*show_fdinfo)(struct seq_file *m, struct socket *sock);
 	int		(*sendmsg)   (struct socket *sock, struct msghdr *m,
 				      size_t total_len);
diff --git a/include/net/sock.h b/include/net/sock.h
index 4bf8841651486d..1fd7cf5fc7516c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1744,10 +1744,6 @@ int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags);
 int sock_common_setsockopt(struct socket *sock, int level, int optname,
 				  char __user *optval, unsigned int optlen);
-int compat_sock_common_getsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, int __user *optlen);
-int compat_sock_common_setsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, unsigned int optlen);
 
 void sk_common_release(struct sock *sk);
 
diff --git a/net/core/sock.c b/net/core/sock.c
index e085df79482520..018404d1762682 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3199,23 +3199,14 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_getsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_getsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, int __user *optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_getsockopt != NULL)
+	if (in_compat_syscal() && sk->sk_prot->compat_getsockopt)
 		return sk->sk_prot->compat_getsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_getsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_getsockopt);
 
 int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags)
@@ -3240,23 +3231,14 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_setsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_setsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, unsigned int optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_setsockopt != NULL)
+	if (in_compat_syscall() && sk->sk_prot->compat_setsockopt)
 		return sk->sk_prot->compat_setsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_setsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_setsockopt);
 
 void sk_common_release(struct sock *sk)
 {
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index a7e989919c5307..316cc5ac0da72b 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -999,10 +999,6 @@ static const struct proto_ops inet_dccp_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw dccp_v4_protosw = {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 650187d688519c..b50f85a72cd5fc 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1083,8 +1083,6 @@ static const struct proto_ops inet6_dccp_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index d93d4531aa9bc5..94ae9662133e30 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -423,10 +423,6 @@ static const struct proto_ops ieee802154_raw_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* DGRAM Sockets (802.15.4 dataframes) */
@@ -986,10 +982,6 @@ static const struct proto_ops ieee802154_dgram_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Create a socket. Initialise the socket, blank the addresses
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index ff141d630bdf09..4307503a6f0b41 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1043,8 +1043,6 @@ const struct proto_ops inet_stream_ops = {
 	.sendpage_locked   = tcp_sendpage_locked,
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
@@ -1073,8 +1071,6 @@ const struct proto_ops inet_dgram_ops = {
 	.sendpage	   = inet_sendpage,
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
@@ -1105,8 +1101,6 @@ static const struct proto_ops inet_sockraw_ops = {
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b304b882e0312f..0306509ab06374 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -688,8 +688,6 @@ const struct proto_ops inet6_stream_ops = {
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
 };
@@ -717,8 +715,6 @@ const struct proto_ops inet6_dgram_ops = {
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 20576e87a5f7e8..6ab44ec2c369da 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -914,12 +914,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_setsockopt != NULL)
-			return udp_prot.compat_setsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level == SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.setsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
@@ -1480,12 +1476,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_getsockopt != NULL)
-			return udp_prot.compat_getsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level == SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.getsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8ef5a7b30524fd..e23c6b46175870 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1378,8 +1378,6 @@ const struct proto_ops inet6_sockraw_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 955662a6dee754..f8d7412cfb3d37 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -638,10 +638,6 @@ static const struct proto_ops l2tp_ip_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw l2tp_ip_protosw = {
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 526ed2c24dd5e0..2cdc0b7a7a43c3 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -773,8 +773,6 @@ static const struct proto_ops l2tp_ip6_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index dbe43e0cd734e4..f0b0b503c2628d 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2166,10 +2166,6 @@ static const struct proto_ops mptcp_stream_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw mptcp_protosw = {
@@ -2222,8 +2218,6 @@ static const struct proto_ops mptcp_v6_stream_ops = {
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 76d499f6af9ab3..87c60f83c18061 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -441,10 +441,6 @@ const struct proto_ops phonet_dgram_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_no_setsockopt,
 	.getsockopt	= sock_no_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = sock_no_setsockopt,
-	.compat_getsockopt = sock_no_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
@@ -466,10 +462,6 @@ const struct proto_ops phonet_stream_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_common_setsockopt,
 	.getsockopt	= sock_common_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index ccfa0ab3e7f481..ebda31b7747d08 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1033,8 +1033,6 @@ static const struct proto_ops inet6_seqpacket_ops = {
 	.mmap		   = sock_no_mmap,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index cde29f3c7fb3c4..8d25cc464efdf3 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1036,10 +1036,6 @@ static const struct proto_ops inet_seqpacket_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Registration with AF_INET family.  */
-- 
2.27.0

WARNING: multiple messages have this Message-ID

From: Christoph Hellwig <hch@lst.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Chas Williams <3chas3@gmail.com>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
	Florian Westphal <fw@strlen.de>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org, netfilter-devel@vger.kernel.org,
	linux-sctp@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-bluetooth@vger.kernel.org,
	bridge@lists.linux-foundation.org, linux-can@vger.kernel.org,
	dccp@vger.kernel.org, linux-wpan@vger.kernel.org,
	mptcp@lists.01.org
Subject: [PATCH 05/22] net: remove compat_sock_common_{get,set}sockopt
Date: Fri, 17 Jul 2020 06:23:14 +0000	[thread overview]
Message-ID: <20200717062331.691152-6-hch@lst.de> (raw)
In-Reply-To: <20200717062331.691152-1-hch@lst.de>

Add the compat handling to sock_common_{get,set}sockopt instead,
keyed of in_compat_syscall().  This allow to remove the now unused
->compat_{get,set}sockopt methods from struct proto_ops.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/net.h      |  6 ------
 include/net/sock.h       |  4 ----
 net/core/sock.c          | 30 ++++++------------------------
 net/dccp/ipv4.c          |  4 ----
 net/dccp/ipv6.c          |  2 --
 net/ieee802154/socket.c  |  8 --------
 net/ipv4/af_inet.c       |  6 ------
 net/ipv6/af_inet6.c      |  4 ----
 net/ipv6/ipv6_sockglue.c | 12 ++----------
 net/ipv6/raw.c           |  2 --
 net/l2tp/l2tp_ip.c       |  4 ----
 net/l2tp/l2tp_ip6.c      |  2 --
 net/mptcp/protocol.c     |  6 ------
 net/phonet/socket.c      |  8 --------
 net/sctp/ipv6.c          |  2 --
 net/sctp/protocol.c      |  4 ----
 16 files changed, 8 insertions(+), 96 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 016a9c5faa3479..858ff1d981540d 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -165,12 +165,6 @@ struct proto_ops {
 				      int optname, char __user *optval, unsigned int optlen);
 	int		(*getsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, int __user *optlen);
-#ifdef CONFIG_COMPAT
-	int		(*compat_setsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, unsigned int optlen);
-	int		(*compat_getsockopt)(struct socket *sock, int level,
-				      int optname, char __user *optval, int __user *optlen);
-#endif
 	void		(*show_fdinfo)(struct seq_file *m, struct socket *sock);
 	int		(*sendmsg)   (struct socket *sock, struct msghdr *m,
 				      size_t total_len);
diff --git a/include/net/sock.h b/include/net/sock.h
index 4bf8841651486d..1fd7cf5fc7516c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1744,10 +1744,6 @@ int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags);
 int sock_common_setsockopt(struct socket *sock, int level, int optname,
 				  char __user *optval, unsigned int optlen);
-int compat_sock_common_getsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, int __user *optlen);
-int compat_sock_common_setsockopt(struct socket *sock, int level,
-		int optname, char __user *optval, unsigned int optlen);
 
 void sk_common_release(struct sock *sk);
 
diff --git a/net/core/sock.c b/net/core/sock.c
index e085df79482520..018404d1762682 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3199,23 +3199,14 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_getsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_getsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, int __user *optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_getsockopt != NULL)
+	if (in_compat_syscal() && sk->sk_prot->compat_getsockopt)
 		return sk->sk_prot->compat_getsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_getsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_getsockopt);
 
 int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 			int flags)
@@ -3240,23 +3231,14 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
 {
 	struct sock *sk = sock->sk;
 
-	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_setsockopt);
-
 #ifdef CONFIG_COMPAT
-int compat_sock_common_setsockopt(struct socket *sock, int level, int optname,
-				  char __user *optval, unsigned int optlen)
-{
-	struct sock *sk = sock->sk;
-
-	if (sk->sk_prot->compat_setsockopt != NULL)
+	if (in_compat_syscall() && sk->sk_prot->compat_setsockopt)
 		return sk->sk_prot->compat_setsockopt(sk, level, optname,
 						      optval, optlen);
+#endif
 	return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
 }
-EXPORT_SYMBOL(compat_sock_common_setsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_setsockopt);
 
 void sk_common_release(struct sock *sk)
 {
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index a7e989919c5307..316cc5ac0da72b 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -999,10 +999,6 @@ static const struct proto_ops inet_dccp_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw dccp_v4_protosw = {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 650187d688519c..b50f85a72cd5fc 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1083,8 +1083,6 @@ static const struct proto_ops inet6_dccp_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index d93d4531aa9bc5..94ae9662133e30 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -423,10 +423,6 @@ static const struct proto_ops ieee802154_raw_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* DGRAM Sockets (802.15.4 dataframes) */
@@ -986,10 +982,6 @@ static const struct proto_ops ieee802154_dgram_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Create a socket. Initialise the socket, blank the addresses
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index ff141d630bdf09..4307503a6f0b41 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1043,8 +1043,6 @@ const struct proto_ops inet_stream_ops = {
 	.sendpage_locked   = tcp_sendpage_locked,
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
@@ -1073,8 +1071,6 @@ const struct proto_ops inet_dgram_ops = {
 	.sendpage	   = inet_sendpage,
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
@@ -1105,8 +1101,6 @@ static const struct proto_ops inet_sockraw_ops = {
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 	.compat_ioctl	   = inet_compat_ioctl,
 #endif
 };
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b304b882e0312f..0306509ab06374 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -688,8 +688,6 @@ const struct proto_ops inet6_stream_ops = {
 	.peek_len	   = tcp_peek_len,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 	.set_rcvlowat	   = tcp_set_rcvlowat,
 };
@@ -717,8 +715,6 @@ const struct proto_ops inet6_dgram_ops = {
 	.set_peek_off	   = sk_set_peek_off,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 20576e87a5f7e8..6ab44ec2c369da 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -914,12 +914,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level = SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_setsockopt != NULL)
-			return udp_prot.compat_setsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level = SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.setsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
@@ -1480,12 +1476,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 {
 	int err;
 
-	if (level = SOL_IP && sk->sk_type != SOCK_RAW) {
-		if (udp_prot.compat_getsockopt != NULL)
-			return udp_prot.compat_getsockopt(sk, level, optname,
-							  optval, optlen);
+	if (level = SOL_IP && sk->sk_type != SOCK_RAW)
 		return udp_prot.getsockopt(sk, level, optname, optval, optlen);
-	}
 
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8ef5a7b30524fd..e23c6b46175870 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1378,8 +1378,6 @@ const struct proto_ops inet6_sockraw_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 955662a6dee754..f8d7412cfb3d37 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -638,10 +638,6 @@ static const struct proto_ops l2tp_ip_ops = {
 	.recvmsg	   = sock_common_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw l2tp_ip_protosw = {
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 526ed2c24dd5e0..2cdc0b7a7a43c3 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -773,8 +773,6 @@ static const struct proto_ops l2tp_ip6_ops = {
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index dbe43e0cd734e4..f0b0b503c2628d 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2166,10 +2166,6 @@ static const struct proto_ops mptcp_stream_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = inet_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 static struct inet_protosw mptcp_protosw = {
@@ -2222,8 +2218,6 @@ static const struct proto_ops mptcp_v6_stream_ops = {
 	.sendpage	   = inet_sendpage,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 76d499f6af9ab3..87c60f83c18061 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -441,10 +441,6 @@ const struct proto_ops phonet_dgram_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_no_setsockopt,
 	.getsockopt	= sock_no_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = sock_no_setsockopt,
-	.compat_getsockopt = sock_no_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
@@ -466,10 +462,6 @@ const struct proto_ops phonet_stream_ops = {
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_common_setsockopt,
 	.getsockopt	= sock_common_getsockopt,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 	.sendmsg	= pn_socket_sendmsg,
 	.recvmsg	= sock_common_recvmsg,
 	.mmap		= sock_no_mmap,
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index ccfa0ab3e7f481..ebda31b7747d08 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1033,8 +1033,6 @@ static const struct proto_ops inet6_seqpacket_ops = {
 	.mmap		   = sock_no_mmap,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	   = inet6_compat_ioctl,
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
 #endif
 };
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index cde29f3c7fb3c4..8d25cc464efdf3 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1036,10 +1036,6 @@ static const struct proto_ops inet_seqpacket_ops = {
 	.recvmsg	   = inet_recvmsg,
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
-#endif
 };
 
 /* Registration with AF_INET family.  */
-- 
2.27.0

             reply	other threads:[~2020-07-17  6:23 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17  6:23 Christoph Hellwig [this message]
2020-07-17  6:23 ` [PATCH 05/22] net: remove compat_sock_common_{get,set}sockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2020-07-20  1:16 [MPTCP] Re: sockopt cleanups David Miller
2020-07-20  1:16 ` David Miller
2020-07-20  1:16 ` David Miller
2020-07-20  1:16 ` David Miller
2020-07-17  9:26 [MPTCP] Re: [PATCH 05/22] net: remove compat_sock_common_{get, set}sockopt Stefan Schmidt
2020-07-17  9:26 ` [PATCH 05/22] net: remove compat_sock_common_{get,set}sockopt Stefan Schmidt
2020-07-17  9:26 ` Stefan Schmidt
2020-07-17  9:18 [MPTCP] Re: [PATCH 05/22] net: remove compat_sock_common_{get, set}sockopt Matthieu Baerts
2020-07-17  9:18 ` [MPTCP] [PATCH 05/22] net: remove compat_sock_common_{get,set}sockopt Matthieu Baerts
2020-07-17  9:18 ` Matthieu Baerts
2020-07-17  6:23 [MPTCP] [PATCH 21/22] net/ipv6: remove compat_ipv6_{get,set}sockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 20/22] net/ipv6: factor out mcast join/leave setsockopt helpers Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 19/22] net/ipv6: factor out MCAST_MSFILTER " Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 17/22] net/ipv4: remove compat_ip_{get,set}sockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 16/22] net/ipv4: factor out mcast join/leave setsockopt helpers Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 15/22] net/ipv4: factor out MCAST_MSFILTER " Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 14/22] net/ipv4: factor out MCAST_MSFILTER getsockopt helpers Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 13/22] netfilter: split nf_sockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 12/22] netfilter: remove the compat argument to xt_copy_counters_from_user Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 11/22] netfilter: remove the compat_{get,set} methods Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 10/22] netfilter/ebtables: clean up compat {get, set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` [PATCH 10/22] netfilter/ebtables: clean up compat {get,set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 09/22] netfilter/ip6_tables: clean up compat {get, set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` [PATCH 09/22] netfilter/ip6_tables: clean up compat {get,set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 08/22] netfilter/ip_tables: clean up compat {get, set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` [PATCH 08/22] netfilter/ip_tables: clean up compat {get,set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 07/22] netfilter/arp_tables: clean up compat {get, set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` [PATCH 07/22] netfilter/arp_tables: clean up compat {get,set}sockopt handling Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 06/22] net: remove compat_sys_{get,set}sockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 04/22] net: simplify cBPF setsockopt compat handling Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 03/22] net: streamline __sys_getsockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 02/22] net: streamline __sys_setsockopt Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] [PATCH 01/22] net/atm: remove the atmdev_ops {get, set}sockopt methods Christoph Hellwig
2020-07-17  6:23 ` [PATCH 01/22] net/atm: remove the atmdev_ops {get,set}sockopt methods Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] sockopt cleanups Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` Christoph Hellwig
2020-07-17  6:23 ` [MPTCP] [PATCH 22/22] net: make ->{get, set}sockopt in proto_ops optional Christoph Hellwig
2020-07-17  6:23   ` [PATCH 22/22] net: make ->{get,set}sockopt " Christoph Hellwig
2020-07-17  6:23   ` Christoph Hellwig
     [not found]   ` <20200717062331.691152-23-hch-jcswGhMUV9g@public.gmane.org>
2020-07-17  8:01     ` Marc Kleine-Budde
2020-07-17  8:01       ` Marc Kleine-Budde
2020-07-17  8:01       ` Marc Kleine-Budde

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