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openvswitch: 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.

Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Ansis Atteka 2012-05-03 18:40:38 -07:00 • committed by Jesse Gross
parent bf32fecdc1
commit 4cb6e116bb
1 changed files with 2 additions and 3 deletions
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5
net/openvswitch/datapath.c
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@ -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, reply = ovs_vport_cmd_build_info(vport, info->snd_pid, info->snd_seq,
OVS_VPORT_CMD_NEW); OVS_VPORT_CMD_NEW);
if (IS_ERR(reply)) { if (IS_ERR(reply)) {
err = PTR_ERR(reply);
netlink_set_err(init_net.genl_sock, 0, netlink_set_err(init_net.genl_sock, 0,
ovs_dp_vport_multicast_group.id, err); ovs_dp_vport_multicast_group.id, PTR_ERR(reply));
return 0; goto exit_unlock;
} }
genl_notify(reply, genl_info_net(info), info->snd_pid, genl_notify(reply, genl_info_net(info), info->snd_pid,