staging: rtl8723bs: core: Change NULL comparisons to Boolean negation

Change NULL comparisons to Boolean negations. Issue found with
Coccinelle using matchnull.cocci.

Signed-off-by: Nishka Dasgupta <nishka.dasgupta@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nishka Dasgupta 2019-03-22 01:43:54 +05:30 • committed by Greg Kroah-Hartman
commit 5947e900d0