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Commit 7106a069 authored by Ivan Mikhaylov's avatar Ivan Mikhaylov Committed by David S. Miller
Browse files

net/ibm/emac: add mutex to 'set multicast list' 



for preventing race conditions within ioctl calls.

Signed-off-by: default avatarIvan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 01afd972

drivers/net/ethernet/ibm/emac/core.c

+3 −0
Original line number Diff line number Diff line
@@ -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)