commit 6755aebaaf9fc5416acfd4578ab7a1e122ecbc74
author Eric Dumazet <eric.dumazet@gmail.com> Fri Nov 06 00:23:01 2009 +0000
committer David S. Miller <davem@davemloft.net> Sun Nov 08 00:33:43 2009 -0800
tree 09f23419b097b15e7c36954cb98bdf28cdfa5af1
parent cc05368c52fed7d9efa0f56c5270e95bb569713e

can: should not use __dev_get_by_index() without locks

bcm_proc_getifname() is called with RTNL and dev_base_lock
not held. It calls __dev_get_by_index() without locks, and
this is illegal (might crash)

Close the race by holding dev_base_lock and copying dev->name
in the protected section.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>