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authorDavid S. Miller <davem@davemloft.net>2012-06-26 21:23:42 -0700
committerDavid S. Miller <davem@davemloft.net>2012-06-26 21:23:42 -0700
commit62566ca55de3a329ef2569d7e7c9d0a326abede2 (patch)
treeefcc07b6a52fb93e9c92ff945a2279cd6d4e2e42 /net/bridge
parenta8edf8a690817ebfe68aa14c4bc482f62699077f (diff)
downloadop-kernel-dev-62566ca55de3a329ef2569d7e7c9d0a326abede2.zip
op-kernel-dev-62566ca55de3a329ef2569d7e7c9d0a326abede2.tar.gz
netfilter: ebt_ulog: Move away from NLMSG_PUT().
And use nlmsg_data() while we're here too. Also, free and NULL out skb when nlmsg_put() fails and remove pointless kernel log message. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/ebt_ulog.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 5449294..1bd1732 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -145,19 +145,24 @@ static void ebt_ulog_packet(unsigned int hooknr, const struct sk_buff *skb,
if (!ub->skb) {
if (!(ub->skb = ulog_alloc_skb(size)))
- goto alloc_failure;
+ goto unlock;
} else if (size > skb_tailroom(ub->skb)) {
ulog_send(group);
if (!(ub->skb = ulog_alloc_skb(size)))
- goto alloc_failure;
+ goto unlock;
}
- nlh = NLMSG_PUT(ub->skb, 0, ub->qlen, 0,
- size - NLMSG_ALIGN(sizeof(*nlh)));
+ nlh = nlmsg_put(ub->skb, 0, ub->qlen, 0,
+ size - NLMSG_ALIGN(sizeof(*nlh)), 0);
+ if (!nlh) {
+ kfree(ub->skb);
+ ub->skb = NULL;
+ goto unlock;
+ }
ub->qlen++;
- pm = NLMSG_DATA(nlh);
+ pm = nlmsg_data(nlh);
/* Fill in the ulog data */
pm->version = EBT_ULOG_VERSION;
@@ -209,14 +214,6 @@ static void ebt_ulog_packet(unsigned int hooknr, const struct sk_buff *skb,
unlock:
spin_unlock_bh(lock);
-
- return;
-
-nlmsg_failure:
- pr_debug("error during NLMSG_PUT. This should "
- "not happen, please report to author.\n");
-alloc_failure:
- goto unlock;
}
/* this function is registered with the netfilter core */
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