net/ibm/emac: add mutex to 'set multicast list'
for preventing race conditions within ioctl calls. Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
01afd972a7
commit
7106a069f4
|
@ -977,7 +977,10 @@ static void emac_set_multicast_list(struct net_device *ndev)
|
|||
dev->mcast_pending = 1;
|
||||
return;
|
||||
}
|
||||
|
||||
mutex_lock(&dev->link_lock);
|
||||
__emac_set_multicast_list(dev);
|
||||
mutex_unlock(&dev->link_lock);
|
||||
}
|
||||
|
||||
static int emac_set_mac_address(struct net_device *ndev, void *sa)
|
||||
|
|
Loading…
Reference in a new issue