staging: ath6kl: Remove A_FAILED macro

Remove obfuscating A_FAILED(foo) macro.
Just test for foo instead.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Vipin Mehta <vipin.mehta@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
20 files changed