net: remove duplicate code.

netdev_rx_handler_register() checks to see if the handler is already
busy which was recently separated into netdev_is_rx_handler_busy(). So
use the same function inside register() to avoid code duplication.
Essentially this change should be a no-op

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index ad5959e56116..c8f1f67ff16c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3961,9 +3961,7 @@ int netdev_rx_handler_register(struct net_device *dev,
                                rx_handler_func_t *rx_handler,
                                void *rx_handler_data)
 {
-        ASSERT_RTNL();
-
-        if (dev->rx_handler)
+        if (netdev_is_rx_handler_busy(dev))
                 return -EBUSY;
 
         /* Note: rx_handler_data must be set before rx_handler */