[PATCH 1/3] xen-netfront: fix locking in connect error path
From: David Vrabel <hidden>
Date: 2014-07-31 16:38:32
Subsystem:
networking drivers, the rest, xen hypervisor interface · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Juergen Gross, Stefano Stabellini
If no queues could be created when connecting to the backend, one of the error paths would deadlock. Signed-off-by: David Vrabel <redacted> --- drivers/net/xen-netfront.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 055222b..1cc46d0 100644
--- 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; }
--
1.7.10.4