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authorAnsis Atteka <aatteka@nicira.com>2012-05-03 18:40:38 -0700
committerJesse Gross <jesse@nicira.com>2012-05-03 18:40:38 -0700
commit4cb6e116bb97c8b87a1f4f95e99d0c8dda2a6e9b (patch)
tree071d9dfaa2cb307e0af570ae2455ce8deee9dbce
parentbf32fecdc1851ad9ca960f56771b798d17c26cf1 (diff)
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openvswitch: Release rtnl_lock if ovs_vport_cmd_build_info() failed.
This patch fixes a possible lock-up bug where rtnl_lock might not get released. Signed-off-by: Ansis Atteka <aatteka@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
-rw-r--r--net/openvswitch/datapath.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e44e631ea952..4cb615d46363 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1641,10 +1641,9 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, struct genl_info *info)
reply = ovs_vport_cmd_build_info(vport, info->snd_pid, info->snd_seq,
OVS_VPORT_CMD_NEW);
if (IS_ERR(reply)) {
- err = PTR_ERR(reply);
netlink_set_err(init_net.genl_sock, 0,
- ovs_dp_vport_multicast_group.id, err);
- return 0;
+ ovs_dp_vport_multicast_group.id, PTR_ERR(reply));
+ goto exit_unlock;
}
genl_notify(reply, genl_info_net(info), info->snd_pid,