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* [patch] ipv6: cleanup: remove unneeded null check
@ 2010-04-29 14:30 Dan Carpenter
  2010-04-30 23:42 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2010-04-29 14:30 UTC (permalink / raw)
  To: netdev
  Cc: Alexey Kuznetsov, Pekka Savola (ipv6), James Morris,
	Hideaki YOSHIFUJI, Patrick McHardy, Eric Dumazet,
	Sridhar Samudrala, Herbert Xu, Emil S Tantilov, David S. Miller,
	kernel-janitors

We dereference "sk" unconditionally elsewhere in the function.  

This was left over from:  b30bd282 "ip6_xmit: remove unnecessary NULL
ptr check".  According to that commit message, "the sk argument to 
ip6_xmit is never NULL nowadays since the skb->priority assigment 
expects a valid socket."

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 75d5ef8..d26c6ae 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -218,8 +218,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 			}
 			kfree_skb(skb);
 			skb = skb2;
-			if (sk)
-				skb_set_owner_w(skb, sk);
+			skb_set_owner_w(skb, sk);
 		}
 		if (opt->opt_flen)
 			ipv6_push_frag_opts(skb, opt, &proto);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] ipv6: cleanup: remove unneeded null check
  2010-04-29 14:30 [patch] ipv6: cleanup: remove unneeded null check Dan Carpenter
@ 2010-04-30 23:42 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2010-04-30 23:42 UTC (permalink / raw)
  To: error27
  Cc: netdev, kuznet, pekkas, jmorris, yoshfuji, kaber, eric.dumazet,
	sri, herbert, emils.tantilov, kernel-janitors

From: Dan Carpenter <error27@gmail.com>
Date: Thu, 29 Apr 2010 16:30:35 +0200

> We dereference "sk" unconditionally elsewhere in the function.  
> 
> This was left over from:  b30bd282 "ip6_xmit: remove unnecessary NULL
> ptr check".  According to that commit message, "the sk argument to 
> ip6_xmit is never NULL nowadays since the skb->priority assigment 
> expects a valid socket."
> 
> Signed-off-by: Dan Carpenter <error27@gmail.com>

Applied, thanks Dan.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-04-29 14:30 [patch] ipv6: cleanup: remove unneeded null check Dan Carpenter
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