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datapath: Release rtnl_lock if ovs_vport_cmd_build_info() failed

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This patch fixes a possible lock-up bug where rtnl_lock might not
get released.

Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
This commit is contained in:
Ansis Atteka 2012-05-03 13:48:40 -07:00
parent e0edde6fee
commit 7a6c067d1a
1 changed files with 2 additions and 3 deletions
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5
datapath/datapath.c
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@ -1891,10 +1891,9 @@ 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(GENL_SOCK(sock_net(skb->sk)), 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,