diff mbox series

[net-next] tcp: remove set but not used variable 'skb_size'

Message ID 1533088796-149451-1-git-send-email-weiyongjun1@huawei.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series [net-next] tcp: remove set but not used variable 'skb_size' | expand

Commit Message

Wei Yongjun Aug. 1, 2018, 1:59 a.m. UTC
Fixes gcc '-Wunused-but-set-variable' warning:

net/ipv4/tcp_output.c: In function 'tcp_collapse_retrans':
net/ipv4/tcp_output.c:2700:6: warning:
 variable 'skb_size' set but not used [-Wunused-but-set-variable]
  int skb_size, next_skb_size;
      ^

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 net/ipv4/tcp_output.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Eric Dumazet Aug. 1, 2018, 2:36 a.m. UTC | #1
On 07/31/2018 06:59 PM, Wei Yongjun wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> net/ipv4/tcp_output.c: In function 'tcp_collapse_retrans':
> net/ipv4/tcp_output.c:2700:6: warning:
>  variable 'skb_size' set but not used [-Wunused-but-set-variable]
>   int skb_size, next_skb_size;
>       ^
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>


Signed-off-by: Eric Dumazet <edumazet@google.com>

Thanks.
David Miller Aug. 1, 2018, 4:57 p.m. UTC | #2
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Wed, 1 Aug 2018 01:59:56 +0000

> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> net/ipv4/tcp_output.c: In function 'tcp_collapse_retrans':
> net/ipv4/tcp_output.c:2700:6: warning:
>  variable 'skb_size' set but not used [-Wunused-but-set-variable]
>   int skb_size, next_skb_size;
>       ^
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Applied, thanks.
diff mbox series

Patch

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 490df62..731e6d4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2697,9 +2697,8 @@  static bool tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct sk_buff *next_skb = skb_rb_next(skb);
-	int skb_size, next_skb_size;
+	int next_skb_size;
 
-	skb_size = skb->len;
 	next_skb_size = next_skb->len;
 
 	BUG_ON(tcp_skb_pcount(skb) != 1 || tcp_skb_pcount(next_skb) != 1);