linux-kernel - [PATCH] ip_gra_reasm() should set "err" incase of skb

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Message-Id: <1192662154.14504.7.camel@dyn9047017100.beaverton.ibm.com>
Date:	Wed, 17 Oct 2007 16:02:33 -0700
From:	Badari Pulavarty <pbadari@...ibm.com>
To:	netdev@...r.kernel.org
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] ip_gra_reasm() should set "err" incase of skb_clone()
	failure

Simple error handling fix (against 2.26.23-git12).

Thanks,
Badari

Need to initialize "err" in case of skb_clone() failure.

net/ipv4/ip_fragment.c: In function `ip_defrag':
net/ipv4/ip_fragment.c:540: warning: `err' might be used uninitialized in this function

Signed-off-by: Badari Pulavarty <pbadari@...ibm.com>
---
 net/ipv4/ip_fragment.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.23/net/ipv4/ip_fragment.c
===================================================================
--- linux-2.6.23.orig/net/ipv4/ip_fragment.c	2007-10-17 15:33:27.000000000 -0700
+++ linux-2.6.23/net/ipv4/ip_fragment.c	2007-10-17 15:50:51.000000000 -0700
@@ -544,6 +544,7 @@ static int ip_frag_reasm(struct ipq *qp,
 	/* Make the one we just received the head. */
 	if (prev) {
 		head = prev->next;
+		err = -ENOMEM;
 		fp = skb_clone(head, GFP_ATOMIC);
 
 		if (!fp)



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