linux-kernel - [PATCH 2.6.19-rc2] net/ipv4/multipath_wrandom.c: check kmalloc() return value.

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Message-Id: <20061022232052.16b1bcf3.amit2030@gmail.com>
Date:	Sun, 22 Oct 2006 23:20:52 -0700
From:	Amit Choudhary <amit2030@...il.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 2.6.19-rc2] net/ipv4/multipath_wrandom.c: check kmalloc()
 return value.

Description: Check the return value of kmalloc() in function wrandom_set_nhinfo(), in file net/ipv4/multipath_wrandom.c.

Signed-off-by: Amit Choudhary <amit2030@...il.com>

diff --git a/net/ipv4/multipath_wrandom.c b/net/ipv4/multipath_wrandom.c
index 92b0482..45bfd20 100644
--- a/net/ipv4/multipath_wrandom.c
+++ b/net/ipv4/multipath_wrandom.c
@@ -242,6 +242,11 @@ static void wrandom_set_nhinfo(__be32 ne
 		target_route = (struct multipath_route *)
 			kmalloc(size_rt, GFP_ATOMIC);
 
+		if (!target_route) {
+			spin_unlock_bh(&state[state_idx].lock);
+			return;
+		}
+
 		target_route->gw = nh->nh_gw;
 		target_route->oif = nh->nh_oif;
 		memset(&target_route->rcu, 0, sizeof(struct rcu_head));
@@ -263,6 +268,11 @@ static void wrandom_set_nhinfo(__be32 ne
 		target_dest = (struct multipath_dest*)
 			kmalloc(size_dst, GFP_ATOMIC);
 
+		if (!target_dest) {
+			spin_unlock_bh(&state[state_idx].lock);
+			return;
+		}
+
 		target_dest->nh_info = nh;
 		target_dest->network = network;
 		target_dest->netmask = netmask;
-
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