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From: Tom Parkin <tparkin@katalix.com>
To: netdev@vger.kernel.org
Cc: Tom Parkin <tparkin@katalix.com>
Subject: [PATCH 13/29] l2tp: avoid multiple assignments
Date: Tue, 21 Jul 2020 18:32:05 +0100	[thread overview]
Message-ID: <20200721173221.4681-14-tparkin@katalix.com> (raw)
In-Reply-To: <20200721173221.4681-1-tparkin@katalix.com>

checkpatch warns about multiple assignments.

Update l2tp accordingly.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
---
 net/l2tp/l2tp_core.c |  6 +++---
 net/l2tp/l2tp_ip.c   | 12 ++++++++----
 net/l2tp/l2tp_ip6.c  |  6 ++++--
 3 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index acba7757bd79..7218925edbf2 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -619,8 +619,8 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
 		      int length)
 {
 	struct l2tp_tunnel *tunnel = session->tunnel;
+	u32 ns = 0, nr = 0;
 	int offset;
-	u32 ns, nr;
 
 	/* Parse and check optional cookie */
 	if (session->peer_cookie_len > 0) {
@@ -642,7 +642,6 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
 	 * the control of the LNS.  If no sequence numbers present but
 	 * we were expecting them, discard frame.
 	 */
-	ns = nr = 0;
 	L2TP_SKB_CB(skb)->has_seq = 0;
 	if (tunnel->version == L2TP_HDR_VER_2) {
 		if (hdrflags & L2TP_HDRFLAG_S) {
@@ -824,7 +823,8 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
 	}
 
 	/* Point to L2TP header */
-	optr = ptr = skb->data;
+	optr = skb->data;
+	ptr = skb->data;
 
 	/* Get L2TP header flags */
 	hdrflags = ntohs(*(__be16 *)ptr);
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index d81564cf1e7f..a159cb2bf0f4 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -124,7 +124,8 @@ static int l2tp_ip_recv(struct sk_buff *skb)
 		goto discard;
 
 	/* Point to L2TP header */
-	optr = ptr = skb->data;
+	optr = skb->data;
+	ptr = skb->data;
 	session_id = ntohl(*((__be32 *)ptr));
 	ptr += 4;
 
@@ -153,7 +154,8 @@ static int l2tp_ip_recv(struct sk_buff *skb)
 			goto discard_sess;
 
 		/* Point to L2TP header */
-		optr = ptr = skb->data;
+		optr = skb->data;
+		ptr = skb->data;
 		ptr += 4;
 		pr_debug("%s: ip recv\n", tunnel->name);
 		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
@@ -284,8 +286,10 @@ static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	    chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
 		goto out;
 
-	if (addr->l2tp_addr.s_addr)
-		inet->inet_rcv_saddr = inet->inet_saddr = addr->l2tp_addr.s_addr;
+	if (addr->l2tp_addr.s_addr) {
+		inet->inet_rcv_saddr = addr->l2tp_addr.s_addr;
+		inet->inet_saddr = addr->l2tp_addr.s_addr;
+	}
 	if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
 		inet->inet_saddr = 0;  /* Use device */
 
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 614febf8dd0d..bc757bc7e264 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -137,7 +137,8 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
 		goto discard;
 
 	/* Point to L2TP header */
-	optr = ptr = skb->data;
+	optr = skb->data;
+	ptr = skb->data;
 	session_id = ntohl(*((__be32 *)ptr));
 	ptr += 4;
 
@@ -166,7 +167,8 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
 			goto discard_sess;
 
 		/* Point to L2TP header */
-		optr = ptr = skb->data;
+		optr = skb->data;
+		ptr = skb->data;
 		ptr += 4;
 		pr_debug("%s: ip recv\n", tunnel->name);
 		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
-- 
2.17.1


  parent reply	other threads:[~2020-07-21 17:42 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-21 17:31 [PATCH net-next 00/29] l2tp: cleanup checkpatch.pl warnings Tom Parkin
2020-07-21 17:31 ` [PATCH 01/29] l2tp: cleanup whitespace around operators Tom Parkin
2020-07-21 17:31 ` [PATCH 02/29] l2tp: tweak comment style for consistency Tom Parkin
2020-07-21 17:31 ` [PATCH 03/29] l2tp: add a blank line following declarations Tom Parkin
2020-07-21 17:31 ` [PATCH 04/29] l2tp: cleanup excessive blank lines Tom Parkin
2020-07-21 17:31 ` [PATCH 05/29] l2tp: cleanup difficult-to-read line breaks Tom Parkin
2020-07-21 20:59   ` Jakub Kicinski
2020-07-21 23:26     ` David Miller
2020-07-22  9:06     ` Tom Parkin
2020-07-21 17:31 ` [PATCH 06/29] l2tp: cleanup wonky alignment of line-broken function calls Tom Parkin
2020-07-21 17:31 ` [PATCH 07/29] l2tp: cleanup suspect code indent Tom Parkin
2020-07-21 17:32 ` [PATCH 08/29] l2tp: add identifier name in function pointer prototype Tom Parkin
2020-07-21 17:32 ` [PATCH 09/29] l2tp: prefer using BIT macro Tom Parkin
2020-07-21 17:32 ` [PATCH 10/29] l2tp: cleanup comparisons to NULL Tom Parkin
2020-07-21 17:32 ` [PATCH 11/29] l2tp: cleanup unnecessary braces in if statements Tom Parkin
2020-07-21 17:32 ` [PATCH 12/29] l2tp: prefer seq_puts for unformatted output Tom Parkin
2020-07-21 17:32 ` Tom Parkin [this message]
2020-07-21 17:32 ` [PATCH 14/29] l2tp: line-break long function prototypes Tom Parkin
2020-07-21 17:32 ` [PATCH 15/29] l2tp: comment per net spinlock instances Tom Parkin
2020-07-21 17:32 ` [PATCH 16/29] l2tp: fix up incorrect comment in l2tp_recv_common Tom Parkin
2020-07-21 17:32 ` [PATCH 17/29] l2tp: avoid precidence issues in L2TP_SKB_CB macro Tom Parkin
2020-07-28 16:21   ` Joe Perches
2020-07-28 18:08     ` Joe Perches
2020-07-28 19:31       ` Tom Parkin
2020-07-21 17:32 ` [PATCH 18/29] l2tp: WARN_ON rather than BUG_ON in l2tp_debugfs.c Tom Parkin
2020-07-21 17:32 ` [PATCH 19/29] l2tp: use a function to render tunnel address in l2tp_debugfs Tom Parkin
2020-07-21 17:32 ` [PATCH 20/29] l2tp: cleanup netlink send of tunnel address information Tom Parkin
2020-07-21 17:32 ` [PATCH 21/29] l2tp: cleanup netlink tunnel create address handling Tom Parkin
2020-07-21 17:32 ` [PATCH 22/29] l2tp: cleanup kzalloc calls Tom Parkin
2020-07-21 17:32 ` [PATCH 23/29] l2tp: remove BUG_ON in l2tp_session_queue_purge Tom Parkin
2020-07-21 17:32 ` [PATCH 24/29] l2tp: remove BUG_ON in l2tp_tunnel_closeall Tom Parkin
2020-07-21 17:32 ` [PATCH 25/29] l2tp: don't BUG_ON session magic checks in l2tp_ppp Tom Parkin
2020-07-21 17:32 ` [PATCH 26/29] l2tp: don't BUG_ON seqfile " Tom Parkin
2020-07-21 17:32 ` [PATCH 27/29] l2tp: WARN_ON rather than BUG_ON in l2tp_session_queue_purge Tom Parkin
2020-07-21 17:32 ` [PATCH 28/29] l2tp: remove BUG_ON refcount value in l2tp_session_free Tom Parkin
2020-07-21 17:32 ` [PATCH 29/29] l2tp: WARN_ON rather than BUG_ON " Tom Parkin
2020-07-21 23:19 ` [PATCH net-next 00/29] l2tp: cleanup checkpatch.pl warnings David Miller
2020-07-22  9:07   ` Tom Parkin

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