ath9k: Check for root debugfs file
authorSujith <Sujith.Manoharan@atheros.com>
Mon, 30 Mar 2009 09:58:42 +0000 (15:28 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 22 Apr 2009 20:54:34 +0000 (16:54 -0400)
commit7dd58748592db1e5a77cfbddb8beffcfdb0242fe
treee61b6c2ac1eb0dbee6a2e157cd611620d033fc44
parent5cc93992cc4cf12ddfe63c8a5be2d509e6678e99
ath9k: Check for root debugfs file

Creation of the root debugfs file could have failed
for some reason, check properly before proceeding in this
case.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath9k/debug.c