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net: honour netif_set_real_num_tx_queues() retval 

In netif_copy_real_num_queues() the return value of
netif_set_real_num_tx_queues() should be checked.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-07-20 02:28:46 +00:00 committed by David S. Miller
parent 6f458dfb40
commit ee6ae1a1d5
1 changed files with 6 additions and 1 deletions
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7
include/linux/netdevice.h
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@ -2110,7 +2110,12 @@ static inline int netif_set_real_num_rx_queues(struct net_device *dev,
static inline int netif_copy_real_num_queues(struct net_device *to_dev,
const struct net_device *from_dev)
{
netif_set_real_num_tx_queues(to_dev, from_dev->real_num_tx_queues);
int err;
err = netif_set_real_num_tx_queues(to_dev,
from_dev->real_num_tx_queues);
if (err)
return err;
#ifdef CONFIG_RPS
return netif_set_real_num_rx_queues(to_dev,
from_dev->real_num_rx_queues);