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net: remove duplicate code.

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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>
This commit is contained in:
Mahesh Bandewar 2017-01-18 15:02:49 -08:00 committed by David S. Miller
parent 264b87fa61
commit 1b7cd0044e
1 changed files with 1 additions and 3 deletions
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4
net/core/dev.c
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@ -3961,9 +3961,7 @@ int netdev_rx_handler_register(struct net_device *dev,
rx_handler_func_t *rx_handler, rx_handler_func_t *rx_handler,
void *rx_handler_data) void *rx_handler_data)
{ {
ASSERT_RTNL(); if (netdev_is_rx_handler_busy(dev))
if (dev->rx_handler)
return -EBUSY; return -EBUSY;
/* Note: rx_handler_data must be set before rx_handler */ /* Note: rx_handler_data must be set before rx_handler */