ath9k: Fix read buffer overflow

Prevent a read of powInfo[-1] in the first iteration.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Roel Kluin 2009-08-07 23:50:00 +02:00 • committed by John W. Linville
commit 73f57f8398