staging: rtl8188eu: Replace x==NULL by !x

Replace x==NULL by !x, to fix the checkpatch issue
comparsion with NULL could be written as !x.

Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gargi Sharma 2017-02-17 11:50:25 +05:30 • committed by Greg Kroah-Hartman
commit e31447f934