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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 <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Eric Dumazet 2010-04-01 12:54:09 +02:00 committed by Patrick McHardy
parent d26e6a0283
commit 902a3dd5e6
1 changed files with 2 additions and 1 deletions
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3
net/ipv4/netfilter/ipt_CLUSTERIP.c
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@ -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) 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) static int clusterip_seq_show(struct seq_file *s, void *v)