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netfilter: xt_hashlimit: dl_seq_stop() fix

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If dl_seq_start() memory allocation fails, we crash later in
dl_seq_stop(), 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 2010-03-25 11:00:22 +01:00 committed by Patrick McHardy
parent ef1691504c
commit 55e0d7cf27
1 changed files with 2 additions and 1 deletions
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3
net/netfilter/xt_hashlimit.c
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@ -879,7 +879,8 @@ static void dl_seq_stop(struct seq_file *s, void *v)
struct xt_hashlimit_htable *htable = s->private;
unsigned int *bucket = (unsigned int *)v;
kfree(bucket);
if (!IS_ERR(bucket))
kfree(bucket);
spin_unlock_bh(&htable->lock);
}