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Date: Thu, 25 Mar 2010 18:54:44 +0100 From: kaber@...sh.net To: davem@...emloft.net Cc: netfilter-devel@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH 2/4] netfilter: xt_hashlimit: dl_seq_stop() fix From: Eric Dumazet <eric.dumazet@...il.com> 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@...il.com> Signed-off-by: Patrick McHardy <kaber@...sh.net> --- net/netfilter/xt_hashlimit.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 9e9c489..70d561a 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -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); } -- 1.6.5.7 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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