diff mbox

video: fbdev: matrox: the list iterator can't be NULL

Message ID 20170630080030.2hee3stcmn5utlmc@mwanda (mailing list archive)
State New, archived
Headers show

Commit Message

Dan Carpenter June 30, 2017, 8 a.m. UTC
My static checker is complaining because we check "drv" for NULL and
then we dereference it to get the next item in the list.  It can't be
NULL so we can remove this check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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Comments

Bartlomiej Zolnierkiewicz July 4, 2017, 3:29 p.m. UTC | #1
On Friday, June 30, 2017 11:00:30 AM Dan Carpenter wrote:
> My static checker is complaining because we check "drv" for NULL and
> then we dereference it to get the next item in the list.  It can't be
> NULL so we can remove this check.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Patch queued for 4.13, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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diff mbox

Patch

diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
index 11eb094396ae..f6a0b9af97a9 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.c
+++ b/drivers/video/fbdev/matrox/matroxfb_base.c
@@ -2001,7 +2001,7 @@  static void matroxfb_register_device(struct matrox_fb_info* minfo) {
 	for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
 	     drv != matroxfb_driver_l(&matroxfb_driver_list);
 	     drv = matroxfb_driver_l(drv->node.next)) {
-		if (drv && drv->probe) {
+		if (drv->probe) {
 			void *p = drv->probe(minfo);
 			if (p) {
 				minfo->drivers_data[i] = p;