linux-kernel - [PATCH] net: ipv6: mcast: Removing invalid check

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Date:	Sat, 14 May 2011 16:43:07 +0300
From:	Maxin B John <maxin.john@...il.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, kaber@...sh.net,
	yoshfuji@...ux-ipv6.org, jmorris@...ei.org, pekkas@...core.fi,
	kuznet@....inr.ac.ru, davem@...emloft.net
Subject: [PATCH] net: ipv6: mcast: Removing invalid check

Since the variable 'first' is assigned to 1, the check
"if (truncate && !first)" will always be false.

Thanks to Coverity for spotting this issue.

Signed-off-by: Maxin B. John <maxin.john@...il.com>
---
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 76b8937..441c1a4 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1536,8 +1536,6 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
 
 		if (AVAILABLE(skb) < sizeof(*psrc) +
 		    first*sizeof(struct mld2_grec)) {
-			if (truncate && !first)
-				break;	 /* truncate these */
 			if (pgr)
 				pgr->grec_nsrcs = htons(scount);
 			if (skb)
--
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