| From: David Vrabel <david.vrabel@citrix.com> |
| Date: Thu, 31 Jul 2014 17:38:22 +0100 |
| Subject: xen-netfront: fix locking in connect error path |
| |
| commit db8c8ab61a28d7e3eb86d247b342a853263262c3 upstream. |
| |
| If no queues could be created when connecting to the backend, one of the |
| error paths would deadlock. |
| |
| Signed-off-by: David Vrabel <david.vrabel@citrix.com> |
| Signed-off-by: David S. Miller <davem@davemloft.net> |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| drivers/net/xen-netfront.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/net/xen-netfront.c |
| +++ b/drivers/net/xen-netfront.c |
| @@ -2000,7 +2000,7 @@ abort_transaction_no_dev_fatal: |
| info->queues = NULL; |
| rtnl_lock(); |
| netif_set_real_num_tx_queues(info->netdev, 0); |
| - rtnl_lock(); |
| + rtnl_unlock(); |
| out: |
| return err; |
| } |
