net: ath9k: Use NULL instead of false

The function returns a pointer. Hence return NULL instead of false.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sachin Kamat 2013-09-10 11:50:36 +05:30 • committed by John W. Linville
commit 5bb4101bc9