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From: Christoph Hellwig <hch at lst.de>
To: mptcp at lists.01.org
Subject: [MPTCP] [PATCH 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers
Date: Fri, 17 Jul 2020 08:23:27 +0200	[thread overview]
Message-ID: <20200717062331.691152-19-hch@lst.de> (raw)
In-Reply-To: 20200717062331.691152-1-hch@lst.de

[-- Attachment #1: Type: text/plain, Size: 4955 bytes --]

Factor out one helper each for getting the native and compat
version of the MCAST_MSFILTER option.

Signed-off-by: Christoph Hellwig <hch(a)lst.de>
---
 net/ipv6/ipv6_sockglue.c | 139 +++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 65 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6adfbdcb7979bd..ef5656f876ac05 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1071,6 +1071,77 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 	return len;
 }
 
+static int ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen, int len)
+{
+	const int size0 = offsetof(struct group_filter, gf_slist);
+	struct group_filter __user *p = optval;
+	struct group_filter gsf;
+	int num;
+	int err;
+
+	if (len < size0)
+		return -EINVAL;
+	if (copy_from_user(&gsf, p, size0))
+		return -EFAULT;
+	if (gsf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+	num = gsf.gf_numsrc;
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+	if (!err) {
+		if (num > gsf.gf_numsrc)
+			num = gsf.gf_numsrc;
+		if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+		    copy_to_user(p, &gsf, size0))
+			err = -EFAULT;
+	}
+	release_sock(sk);
+	return err;
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen)
+{
+	const int size0 = offsetof(struct compat_group_filter, gf_slist);
+	struct compat_group_filter __user *p = optval;
+	struct compat_group_filter gf32;
+	struct group_filter gf;
+	int len, err;
+	int num;
+
+	if (get_user(len, optlen))
+		return -EFAULT;
+	if (len < size0)
+		return -EINVAL;
+
+	if (copy_from_user(&gf32, p, size0))
+		return -EFAULT;
+	gf.gf_interface = gf32.gf_interface;
+	gf.gf_fmode = gf32.gf_fmode;
+	num = gf.gf_numsrc = gf32.gf_numsrc;
+	gf.gf_group = gf32.gf_group;
+
+	if (gf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+	release_sock(sk);
+	if (err)
+		return err;
+	if (num > gf.gf_numsrc)
+		num = gf.gf_numsrc;
+	len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+	if (put_user(len, optlen) ||
+	    put_user(gf.gf_fmode, &p->gf_fmode) ||
+	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+		return -EFAULT;
+	return 0;
+}
+#endif
+
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		    char __user *optval, int __user *optlen, unsigned int flags)
 {
@@ -1094,33 +1165,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		val = sk->sk_family;
 		break;
 	case MCAST_MSFILTER:
-	{
-		struct group_filter __user *p = (void __user *)optval;
-		struct group_filter gsf;
-		const int size0 = offsetof(struct group_filter, gf_slist);
-		int num;
-		int err;
-
-		if (len < size0)
-			return -EINVAL;
-		if (copy_from_user(&gsf, p, size0))
-			return -EFAULT;
-		if (gsf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		num = gsf.gf_numsrc;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
-		if (!err) {
-			if (num > gsf.gf_numsrc)
-				num = gsf.gf_numsrc;
-			if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-			    copy_to_user(p, &gsf, size0))
-				err = -EFAULT;
-		}
-		release_sock(sk);
-		return err;
-	}
-
+		return ipv6_get_msfilter(sk, optval, optlen, len);
 	case IPV6_2292PKTOPTIONS:
 	{
 		struct msghdr msg;
@@ -1481,44 +1526,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	if (optname == MCAST_MSFILTER) {
-		const int size0 = offsetof(struct compat_group_filter, gf_slist);
-		struct compat_group_filter __user *p = (void __user *)optval;
-		struct compat_group_filter gf32;
-		struct group_filter gf;
-		int ulen, err;
-		int num;
-
-		if (get_user(ulen, optlen))
-			return -EFAULT;
-
-		if (ulen < size0)
-			return -EINVAL;
-
-		if (copy_from_user(&gf32, p, size0))
-			return -EFAULT;
-
-		gf.gf_interface = gf32.gf_interface;
-		gf.gf_fmode = gf32.gf_fmode;
-		num = gf.gf_numsrc = gf32.gf_numsrc;
-		gf.gf_group = gf32.gf_group;
-
-		if (gf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gf, p->gf_slist);
-		release_sock(sk);
-		if (err)
-			return err;
-		if (num > gf.gf_numsrc)
-			num = gf.gf_numsrc;
-		ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
-		if (put_user(ulen, optlen) ||
-		    put_user(gf.gf_fmode, &p->gf_fmode) ||
-		    put_user(gf.gf_numsrc, &p->gf_numsrc))
-			return -EFAULT;
-		return 0;
-	}
+	if (optname == MCAST_MSFILTER)
+		return compat_ipv6_get_msfilter(sk, optval, optlen);
 
 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
 				 MSG_CMSG_COMPAT);
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
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 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers
Date: Fri, 17 Jul 2020 08:23:27 +0200	[thread overview]
Message-ID: <20200717062331.691152-19-hch@lst.de> (raw)
In-Reply-To: <20200717062331.691152-1-hch@lst.de>

Factor out one helper each for getting the native and compat
version of the MCAST_MSFILTER option.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 net/ipv6/ipv6_sockglue.c | 139 +++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 65 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6adfbdcb7979bd..ef5656f876ac05 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1071,6 +1071,77 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 	return len;
 }
 
+static int ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen, int len)
+{
+	const int size0 = offsetof(struct group_filter, gf_slist);
+	struct group_filter __user *p = optval;
+	struct group_filter gsf;
+	int num;
+	int err;
+
+	if (len < size0)
+		return -EINVAL;
+	if (copy_from_user(&gsf, p, size0))
+		return -EFAULT;
+	if (gsf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+	num = gsf.gf_numsrc;
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+	if (!err) {
+		if (num > gsf.gf_numsrc)
+			num = gsf.gf_numsrc;
+		if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+		    copy_to_user(p, &gsf, size0))
+			err = -EFAULT;
+	}
+	release_sock(sk);
+	return err;
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen)
+{
+	const int size0 = offsetof(struct compat_group_filter, gf_slist);
+	struct compat_group_filter __user *p = optval;
+	struct compat_group_filter gf32;
+	struct group_filter gf;
+	int len, err;
+	int num;
+
+	if (get_user(len, optlen))
+		return -EFAULT;
+	if (len < size0)
+		return -EINVAL;
+
+	if (copy_from_user(&gf32, p, size0))
+		return -EFAULT;
+	gf.gf_interface = gf32.gf_interface;
+	gf.gf_fmode = gf32.gf_fmode;
+	num = gf.gf_numsrc = gf32.gf_numsrc;
+	gf.gf_group = gf32.gf_group;
+
+	if (gf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+	release_sock(sk);
+	if (err)
+		return err;
+	if (num > gf.gf_numsrc)
+		num = gf.gf_numsrc;
+	len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+	if (put_user(len, optlen) ||
+	    put_user(gf.gf_fmode, &p->gf_fmode) ||
+	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+		return -EFAULT;
+	return 0;
+}
+#endif
+
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		    char __user *optval, int __user *optlen, unsigned int flags)
 {
@@ -1094,33 +1165,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		val = sk->sk_family;
 		break;
 	case MCAST_MSFILTER:
-	{
-		struct group_filter __user *p = (void __user *)optval;
-		struct group_filter gsf;
-		const int size0 = offsetof(struct group_filter, gf_slist);
-		int num;
-		int err;
-
-		if (len < size0)
-			return -EINVAL;
-		if (copy_from_user(&gsf, p, size0))
-			return -EFAULT;
-		if (gsf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		num = gsf.gf_numsrc;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
-		if (!err) {
-			if (num > gsf.gf_numsrc)
-				num = gsf.gf_numsrc;
-			if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-			    copy_to_user(p, &gsf, size0))
-				err = -EFAULT;
-		}
-		release_sock(sk);
-		return err;
-	}
-
+		return ipv6_get_msfilter(sk, optval, optlen, len);
 	case IPV6_2292PKTOPTIONS:
 	{
 		struct msghdr msg;
@@ -1481,44 +1526,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	if (optname == MCAST_MSFILTER) {
-		const int size0 = offsetof(struct compat_group_filter, gf_slist);
-		struct compat_group_filter __user *p = (void __user *)optval;
-		struct compat_group_filter gf32;
-		struct group_filter gf;
-		int ulen, err;
-		int num;
-
-		if (get_user(ulen, optlen))
-			return -EFAULT;
-
-		if (ulen < size0)
-			return -EINVAL;
-
-		if (copy_from_user(&gf32, p, size0))
-			return -EFAULT;
-
-		gf.gf_interface = gf32.gf_interface;
-		gf.gf_fmode = gf32.gf_fmode;
-		num = gf.gf_numsrc = gf32.gf_numsrc;
-		gf.gf_group = gf32.gf_group;
-
-		if (gf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gf, p->gf_slist);
-		release_sock(sk);
-		if (err)
-			return err;
-		if (num > gf.gf_numsrc)
-			num = gf.gf_numsrc;
-		ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
-		if (put_user(ulen, optlen) ||
-		    put_user(gf.gf_fmode, &p->gf_fmode) ||
-		    put_user(gf.gf_numsrc, &p->gf_numsrc))
-			return -EFAULT;
-		return 0;
-	}
+	if (optname == MCAST_MSFILTER)
+		return compat_ipv6_get_msfilter(sk, optval, optlen);
 
 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
 				 MSG_CMSG_COMPAT);
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
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 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers
Date: Fri, 17 Jul 2020 06:23:27 +0000	[thread overview]
Message-ID: <20200717062331.691152-19-hch@lst.de> (raw)
In-Reply-To: <20200717062331.691152-1-hch@lst.de>

Factor out one helper each for getting the native and compat
version of the MCAST_MSFILTER option.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 net/ipv6/ipv6_sockglue.c | 139 +++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 65 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6adfbdcb7979bd..ef5656f876ac05 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1071,6 +1071,77 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 	return len;
 }
 
+static int ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen, int len)
+{
+	const int size0 = offsetof(struct group_filter, gf_slist);
+	struct group_filter __user *p = optval;
+	struct group_filter gsf;
+	int num;
+	int err;
+
+	if (len < size0)
+		return -EINVAL;
+	if (copy_from_user(&gsf, p, size0))
+		return -EFAULT;
+	if (gsf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+	num = gsf.gf_numsrc;
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+	if (!err) {
+		if (num > gsf.gf_numsrc)
+			num = gsf.gf_numsrc;
+		if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+		    copy_to_user(p, &gsf, size0))
+			err = -EFAULT;
+	}
+	release_sock(sk);
+	return err;
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen)
+{
+	const int size0 = offsetof(struct compat_group_filter, gf_slist);
+	struct compat_group_filter __user *p = optval;
+	struct compat_group_filter gf32;
+	struct group_filter gf;
+	int len, err;
+	int num;
+
+	if (get_user(len, optlen))
+		return -EFAULT;
+	if (len < size0)
+		return -EINVAL;
+
+	if (copy_from_user(&gf32, p, size0))
+		return -EFAULT;
+	gf.gf_interface = gf32.gf_interface;
+	gf.gf_fmode = gf32.gf_fmode;
+	num = gf.gf_numsrc = gf32.gf_numsrc;
+	gf.gf_group = gf32.gf_group;
+
+	if (gf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+	release_sock(sk);
+	if (err)
+		return err;
+	if (num > gf.gf_numsrc)
+		num = gf.gf_numsrc;
+	len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+	if (put_user(len, optlen) ||
+	    put_user(gf.gf_fmode, &p->gf_fmode) ||
+	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+		return -EFAULT;
+	return 0;
+}
+#endif
+
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		    char __user *optval, int __user *optlen, unsigned int flags)
 {
@@ -1094,33 +1165,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		val = sk->sk_family;
 		break;
 	case MCAST_MSFILTER:
-	{
-		struct group_filter __user *p = (void __user *)optval;
-		struct group_filter gsf;
-		const int size0 = offsetof(struct group_filter, gf_slist);
-		int num;
-		int err;
-
-		if (len < size0)
-			return -EINVAL;
-		if (copy_from_user(&gsf, p, size0))
-			return -EFAULT;
-		if (gsf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		num = gsf.gf_numsrc;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
-		if (!err) {
-			if (num > gsf.gf_numsrc)
-				num = gsf.gf_numsrc;
-			if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-			    copy_to_user(p, &gsf, size0))
-				err = -EFAULT;
-		}
-		release_sock(sk);
-		return err;
-	}
-
+		return ipv6_get_msfilter(sk, optval, optlen, len);
 	case IPV6_2292PKTOPTIONS:
 	{
 		struct msghdr msg;
@@ -1481,44 +1526,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	if (optname = MCAST_MSFILTER) {
-		const int size0 = offsetof(struct compat_group_filter, gf_slist);
-		struct compat_group_filter __user *p = (void __user *)optval;
-		struct compat_group_filter gf32;
-		struct group_filter gf;
-		int ulen, err;
-		int num;
-
-		if (get_user(ulen, optlen))
-			return -EFAULT;
-
-		if (ulen < size0)
-			return -EINVAL;
-
-		if (copy_from_user(&gf32, p, size0))
-			return -EFAULT;
-
-		gf.gf_interface = gf32.gf_interface;
-		gf.gf_fmode = gf32.gf_fmode;
-		num = gf.gf_numsrc = gf32.gf_numsrc;
-		gf.gf_group = gf32.gf_group;
-
-		if (gf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gf, p->gf_slist);
-		release_sock(sk);
-		if (err)
-			return err;
-		if (num > gf.gf_numsrc)
-			num = gf.gf_numsrc;
-		ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
-		if (put_user(ulen, optlen) ||
-		    put_user(gf.gf_fmode, &p->gf_fmode) ||
-		    put_user(gf.gf_numsrc, &p->gf_numsrc))
-			return -EFAULT;
-		return 0;
-	}
+	if (optname = MCAST_MSFILTER)
+		return compat_ipv6_get_msfilter(sk, optval, optlen);
 
 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
 				 MSG_CMSG_COMPAT);
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: dccp@vger.kernel.org
Subject: [PATCH 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers
Date: Fri, 17 Jul 2020 06:23:27 +0000	[thread overview]
Message-ID: <20200717062331.691152-19-hch@lst.de> (raw)

Factor out one helper each for getting the native and compat
version of the MCAST_MSFILTER option.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 net/ipv6/ipv6_sockglue.c | 139 +++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 65 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6adfbdcb7979bd..ef5656f876ac05 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1071,6 +1071,77 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 	return len;
 }
 
+static int ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen, int len)
+{
+	const int size0 = offsetof(struct group_filter, gf_slist);
+	struct group_filter __user *p = optval;
+	struct group_filter gsf;
+	int num;
+	int err;
+
+	if (len < size0)
+		return -EINVAL;
+	if (copy_from_user(&gsf, p, size0))
+		return -EFAULT;
+	if (gsf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+	num = gsf.gf_numsrc;
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+	if (!err) {
+		if (num > gsf.gf_numsrc)
+			num = gsf.gf_numsrc;
+		if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+		    copy_to_user(p, &gsf, size0))
+			err = -EFAULT;
+	}
+	release_sock(sk);
+	return err;
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen)
+{
+	const int size0 = offsetof(struct compat_group_filter, gf_slist);
+	struct compat_group_filter __user *p = optval;
+	struct compat_group_filter gf32;
+	struct group_filter gf;
+	int len, err;
+	int num;
+
+	if (get_user(len, optlen))
+		return -EFAULT;
+	if (len < size0)
+		return -EINVAL;
+
+	if (copy_from_user(&gf32, p, size0))
+		return -EFAULT;
+	gf.gf_interface = gf32.gf_interface;
+	gf.gf_fmode = gf32.gf_fmode;
+	num = gf.gf_numsrc = gf32.gf_numsrc;
+	gf.gf_group = gf32.gf_group;
+
+	if (gf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+	release_sock(sk);
+	if (err)
+		return err;
+	if (num > gf.gf_numsrc)
+		num = gf.gf_numsrc;
+	len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+	if (put_user(len, optlen) ||
+	    put_user(gf.gf_fmode, &p->gf_fmode) ||
+	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+		return -EFAULT;
+	return 0;
+}
+#endif
+
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		    char __user *optval, int __user *optlen, unsigned int flags)
 {
@@ -1094,33 +1165,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		val = sk->sk_family;
 		break;
 	case MCAST_MSFILTER:
-	{
-		struct group_filter __user *p = (void __user *)optval;
-		struct group_filter gsf;
-		const int size0 = offsetof(struct group_filter, gf_slist);
-		int num;
-		int err;
-
-		if (len < size0)
-			return -EINVAL;
-		if (copy_from_user(&gsf, p, size0))
-			return -EFAULT;
-		if (gsf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		num = gsf.gf_numsrc;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
-		if (!err) {
-			if (num > gsf.gf_numsrc)
-				num = gsf.gf_numsrc;
-			if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-			    copy_to_user(p, &gsf, size0))
-				err = -EFAULT;
-		}
-		release_sock(sk);
-		return err;
-	}
-
+		return ipv6_get_msfilter(sk, optval, optlen, len);
 	case IPV6_2292PKTOPTIONS:
 	{
 		struct msghdr msg;
@@ -1481,44 +1526,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	if (optname = MCAST_MSFILTER) {
-		const int size0 = offsetof(struct compat_group_filter, gf_slist);
-		struct compat_group_filter __user *p = (void __user *)optval;
-		struct compat_group_filter gf32;
-		struct group_filter gf;
-		int ulen, err;
-		int num;
-
-		if (get_user(ulen, optlen))
-			return -EFAULT;
-
-		if (ulen < size0)
-			return -EINVAL;
-
-		if (copy_from_user(&gf32, p, size0))
-			return -EFAULT;
-
-		gf.gf_interface = gf32.gf_interface;
-		gf.gf_fmode = gf32.gf_fmode;
-		num = gf.gf_numsrc = gf32.gf_numsrc;
-		gf.gf_group = gf32.gf_group;
-
-		if (gf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gf, p->gf_slist);
-		release_sock(sk);
-		if (err)
-			return err;
-		if (num > gf.gf_numsrc)
-			num = gf.gf_numsrc;
-		ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
-		if (put_user(ulen, optlen) ||
-		    put_user(gf.gf_fmode, &p->gf_fmode) ||
-		    put_user(gf.gf_numsrc, &p->gf_numsrc))
-			return -EFAULT;
-		return 0;
-	}
+	if (optname = MCAST_MSFILTER)
+		return compat_ipv6_get_msfilter(sk, optval, optlen);
 
 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
 				 MSG_CMSG_COMPAT);
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: linux-arch@vger.kernel.org,
	Daniel Borkmann <daniel@iogearbox.net>,
	dccp@vger.kernel.org, Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org,
	Florian Westphal <fw@strlen.de>,
	Alexei Starovoitov <ast@kernel.org>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
	linux-bluetooth@vger.kernel.org, linux-sctp@vger.kernel.org,
	netfilter-devel@vger.kernel.org, mptcp@lists.01.org,
	Chas Williams <3chas3@gmail.com>,
	netdev@vger.kernel.org, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	bpf@vger.kernel.org, linux-can@vger.kernel.org,
	linux-wpan@vger.kernel.org,
	Pablo Neira Ayuso <pablo@netfilter.org>
Subject: [Bridge] [PATCH 18/22] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers
Date: Fri, 17 Jul 2020 08:23:27 +0200	[thread overview]
Message-ID: <20200717062331.691152-19-hch@lst.de> (raw)
In-Reply-To: <20200717062331.691152-1-hch@lst.de>

Factor out one helper each for getting the native and compat
version of the MCAST_MSFILTER option.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 net/ipv6/ipv6_sockglue.c | 139 +++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 65 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6adfbdcb7979bd..ef5656f876ac05 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1071,6 +1071,77 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 	return len;
 }
 
+static int ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen, int len)
+{
+	const int size0 = offsetof(struct group_filter, gf_slist);
+	struct group_filter __user *p = optval;
+	struct group_filter gsf;
+	int num;
+	int err;
+
+	if (len < size0)
+		return -EINVAL;
+	if (copy_from_user(&gsf, p, size0))
+		return -EFAULT;
+	if (gsf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+	num = gsf.gf_numsrc;
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+	if (!err) {
+		if (num > gsf.gf_numsrc)
+			num = gsf.gf_numsrc;
+		if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+		    copy_to_user(p, &gsf, size0))
+			err = -EFAULT;
+	}
+	release_sock(sk);
+	return err;
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
+		int __user *optlen)
+{
+	const int size0 = offsetof(struct compat_group_filter, gf_slist);
+	struct compat_group_filter __user *p = optval;
+	struct compat_group_filter gf32;
+	struct group_filter gf;
+	int len, err;
+	int num;
+
+	if (get_user(len, optlen))
+		return -EFAULT;
+	if (len < size0)
+		return -EINVAL;
+
+	if (copy_from_user(&gf32, p, size0))
+		return -EFAULT;
+	gf.gf_interface = gf32.gf_interface;
+	gf.gf_fmode = gf32.gf_fmode;
+	num = gf.gf_numsrc = gf32.gf_numsrc;
+	gf.gf_group = gf32.gf_group;
+
+	if (gf.gf_group.ss_family != AF_INET6)
+		return -EADDRNOTAVAIL;
+
+	lock_sock(sk);
+	err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+	release_sock(sk);
+	if (err)
+		return err;
+	if (num > gf.gf_numsrc)
+		num = gf.gf_numsrc;
+	len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+	if (put_user(len, optlen) ||
+	    put_user(gf.gf_fmode, &p->gf_fmode) ||
+	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+		return -EFAULT;
+	return 0;
+}
+#endif
+
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		    char __user *optval, int __user *optlen, unsigned int flags)
 {
@@ -1094,33 +1165,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		val = sk->sk_family;
 		break;
 	case MCAST_MSFILTER:
-	{
-		struct group_filter __user *p = (void __user *)optval;
-		struct group_filter gsf;
-		const int size0 = offsetof(struct group_filter, gf_slist);
-		int num;
-		int err;
-
-		if (len < size0)
-			return -EINVAL;
-		if (copy_from_user(&gsf, p, size0))
-			return -EFAULT;
-		if (gsf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		num = gsf.gf_numsrc;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
-		if (!err) {
-			if (num > gsf.gf_numsrc)
-				num = gsf.gf_numsrc;
-			if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-			    copy_to_user(p, &gsf, size0))
-				err = -EFAULT;
-		}
-		release_sock(sk);
-		return err;
-	}
-
+		return ipv6_get_msfilter(sk, optval, optlen, len);
 	case IPV6_2292PKTOPTIONS:
 	{
 		struct msghdr msg;
@@ -1481,44 +1526,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	if (optname == MCAST_MSFILTER) {
-		const int size0 = offsetof(struct compat_group_filter, gf_slist);
-		struct compat_group_filter __user *p = (void __user *)optval;
-		struct compat_group_filter gf32;
-		struct group_filter gf;
-		int ulen, err;
-		int num;
-
-		if (get_user(ulen, optlen))
-			return -EFAULT;
-
-		if (ulen < size0)
-			return -EINVAL;
-
-		if (copy_from_user(&gf32, p, size0))
-			return -EFAULT;
-
-		gf.gf_interface = gf32.gf_interface;
-		gf.gf_fmode = gf32.gf_fmode;
-		num = gf.gf_numsrc = gf32.gf_numsrc;
-		gf.gf_group = gf32.gf_group;
-
-		if (gf.gf_group.ss_family != AF_INET6)
-			return -EADDRNOTAVAIL;
-		lock_sock(sk);
-		err = ip6_mc_msfget(sk, &gf, p->gf_slist);
-		release_sock(sk);
-		if (err)
-			return err;
-		if (num > gf.gf_numsrc)
-			num = gf.gf_numsrc;
-		ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
-		if (put_user(ulen, optlen) ||
-		    put_user(gf.gf_fmode, &p->gf_fmode) ||
-		    put_user(gf.gf_numsrc, &p->gf_numsrc))
-			return -EFAULT;
-		return 0;
-	}
+	if (optname == MCAST_MSFILTER)
+		return compat_ipv6_get_msfilter(sk, optval, optlen);
 
 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
 				 MSG_CMSG_COMPAT);
-- 
2.27.0


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

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17  6:23 Christoph Hellwig [this message]
2020-07-17  6:23 ` [Bridge] [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 ` 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 ` [Bridge] " David Miller
2020-07-20  1:16 ` David Miller
2020-07-20  1:16 ` David Miller
2020-07-20  1:16 ` David Miller
2020-07-20  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 ` [Bridge] " 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  9:26 ` 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 ` [Bridge] [MPTCP] " 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  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 ` [Bridge] [PATCH 21/22] net/ipv6: remove compat_ipv6_{get, set}sockopt Christoph Hellwig
2020-07-17  6:23 ` [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 ` [Bridge] " 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 19/22] net/ipv6: factor out MCAST_MSFILTER " Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 ` 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 ` [Bridge] [PATCH 17/22] net/ipv4: remove compat_ip_{get, set}sockopt Christoph Hellwig
2020-07-17  6:23 ` [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 ` [Bridge] " 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 15/22] net/ipv4: factor out MCAST_MSFILTER " Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 14/22] net/ipv4: factor out MCAST_MSFILTER getsockopt helpers Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 13/22] netfilter: split nf_sockopt Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 12/22] netfilter: remove the compat argument to xt_copy_counters_from_user Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 11/22] netfilter: remove the compat_{get,set} methods Christoph Hellwig
2020-07-17  6:23 ` [Bridge] [PATCH 11/22] netfilter: remove the compat_{get, set} methods Christoph Hellwig
2020-07-17  6:23 ` [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 ` [Bridge] " 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 ` 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 ` [Bridge] " 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 ` 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 ` [Bridge] " 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 ` 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 ` [Bridge] " 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 ` 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 ` [Bridge] " 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 05/22] net: remove compat_sock_common_{get, set}sockopt Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " Christoph Hellwig
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
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 ` [Bridge] " 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 03/22] net: streamline __sys_getsockopt Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 02/22] net: streamline __sys_setsockopt Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 01/22] net/atm: remove the atmdev_ops {get, set}sockopt methods Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 ` Christoph Hellwig
2020-07-17  6:23 [MPTCP] sockopt cleanups Christoph Hellwig
2020-07-17  6:23 ` [Bridge] " 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 22/22] net: make ->{get, set}sockopt in proto_ops optional Christoph Hellwig
2020-07-17  6:23   ` [Bridge] " Christoph Hellwig
2020-07-17  6:23   ` [PATCH 22/22] net: make ->{get,set}sockopt " Christoph Hellwig
2020-07-17  6:23   ` 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       ` [Bridge] [PATCH 22/22] net: make ->{get, set}sockopt " Marc Kleine-Budde
2020-07-17  8:01       ` [PATCH 22/22] net: make ->{get,set}sockopt " Marc Kleine-Budde
2020-07-17  8:01       ` Marc Kleine-Budde
2020-07-17  8:01       ` Marc Kleine-Budde

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