From 902a3dd5e6b19048604ec533203d7d38a39505a2 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 1 Apr 2010 12:54:09 +0200 Subject: [PATCH] netfilter: CLUSTERIP: clusterip_seq_stop() fix If clusterip_seq_start() memory allocation fails, we crash later in clusterip_seq_start(), trying to kfree(ERR_PTR(-ENOMEM)) Signed-off-by: Eric Dumazet Signed-off-by: Patrick McHardy --- net/ipv4/netfilter/ipt_CLUSTERIP.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 5d70c43302bb..c6be74e57264 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -599,7 +599,8 @@ static void *clusterip_seq_next(struct seq_file *s, void *v, loff_t *pos) static void clusterip_seq_stop(struct seq_file *s, void *v) { - kfree(v); + if (!IS_ERR(v)) + kfree(v); } static int clusterip_seq_show(struct seq_file *s, void *v) -- 2.20.1