staging: r8188eu: clean up comparsions to NULL in core directory

Clean up comparsions to NULL in the core directory reported by
checkpatch.

x == NULL -> !x
x != NULL -> x

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210801084614.4328-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Straube 2021-08-01 10:46:14 +02:00 • committed by Greg Kroah-Hartman
commit 552838fdca
17 changed files with 280 additions and 280 deletions