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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2009-04-17 17:47:31 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-04-17 17:47:31 +0200 |
| commit | 150ace0db360373d2016a2497d252138a59c5ba8 (patch) | |
| tree | a5fa3f9b101c6120fc3a7bcecb1e7618e07fb2db /net/netfilter | |
| parent | 98d500d66cb7940747b424b245fc6a51ecfbf005 (diff) | |
| download | linux-150ace0db360373d2016a2497d252138a59c5ba8.tar.gz linux-150ace0db360373d2016a2497d252138a59c5ba8.tar.bz2 linux-150ace0db360373d2016a2497d252138a59c5ba8.zip | |
netfilter: ctnetlink: report error if event message allocation fails
This patch fixes an inconsistency that results in no error reports
to user-space listeners if we fail to allocate the event message.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index c6439c77953c..0ea36e0c8a0e 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -512,7 +512,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this, skb = ctnetlink_alloc_skb(tuple(ct, IP_CT_DIR_ORIGINAL), GFP_ATOMIC); if (!skb) - return NOTIFY_DONE; + goto errout; b = skb->tail; @@ -591,8 +591,9 @@ static int ctnetlink_conntrack_event(struct notifier_block *this, nla_put_failure: rcu_read_unlock(); nlmsg_failure: - nfnetlink_set_err(0, group, -ENOBUFS); kfree_skb(skb); +errout: + nfnetlink_set_err(0, group, -ENOBUFS); return NOTIFY_DONE; } #endif /* CONFIG_NF_CONNTRACK_EVENTS */ @@ -1564,7 +1565,7 @@ static int ctnetlink_expect_event(struct notifier_block *this, skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC); if (!skb) - return NOTIFY_DONE; + goto errout; b = skb->tail; @@ -1589,8 +1590,9 @@ static int ctnetlink_expect_event(struct notifier_block *this, nla_put_failure: rcu_read_unlock(); nlmsg_failure: - nfnetlink_set_err(0, 0, -ENOBUFS); kfree_skb(skb); +errout: + nfnetlink_set_err(0, 0, -ENOBUFS); return NOTIFY_DONE; } #endif |