[PATCH net-next 2/2] net: Use rtnl_lock_killable() in register_netdev()

[Kirill Tkhai]

This patch adds rtnl_lock_killable() to one of hot path
using rtnl_lock().

Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
---
 net/core/dev.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 12a9aad0b057..d8887cc38e7b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8018,7 +8018,8 @@ int register_netdev(struct net_device *dev)
 {
        int err;
 
-       rtnl_lock();
+       if (rtnl_lock_killable())
+               return -EINTR;
        err = register_netdevice(dev);
        rtnl_unlock();
        return err;