tree fad1b3ae6daecb2c6fc6b952c4bc8248be01a651
parent c138d03f1bf3b9c7bfd449e890cc003658b5c45a
author Markus Elfring <elfring@users.sourceforge.net> 1474646029 +0200
committer Sinclair Yeh <syeh@vmware.com> 1476130996 -0700

drm/vmwgfx: Adjust checks for null pointers in 13 functions

The script "checkpatch.pl" can point information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Sinclair Yeh <syeh@vmware.com>