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xen-netfront: fix locking in connect error path
authorDavid Vrabel <david.vrabel@citrix.com>
Thu, 31 Jul 2014 16:38:22 +0000 (17:38 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 1 Aug 2014 05:23:52 +0000 (22:23 -0700)
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>
drivers/net/xen-netfront.c patch | blob | blame | history

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 055222bae6e4463d00835c894e0d606ea91ddc6f..1cc46d00d20ad4339e8cb4e8d3d4515576a28fd1 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -2001,7 +2001,7 @@ 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;
 }