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(parent: cc098dc) | patch
smsc9420: prevent BUG() if ethtool is called with interface down
authorSteve Glendinning <steve.glendinning@smsc.com>
Mon, 30 Nov 2009 07:14:45 +0000 (23:14 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 30 Nov 2009 07:14:45 +0000 (23:14 -0800)
commit6c53b1b15e222244358d3cbbefd2a13920faa352
tree365c523513c54ab2b4eed1ca710fa007b8f84ccetree | snapshot (tar.gz zip)
parentcc098dc705895f6b0109b7e8e026ac2b8ae1c0a1commit | diff
smsc9420: prevent BUG() if ethtool is called with interface down

This patch fixes a null pointer dereference BUG() if ethtool is used on
an smsc9420 interface while it is down, because the phy_dev is only
allocated while the interface is up.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/smsc9420.c diff | blob | blame | history