From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 5 May 2017 15:33:19 +0200
Subject: drm/sti: Adjust two checks for null pointers in sti_hqvdp_probe()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: da98d2e13b9566ddc1e84e418ab6a86155138d9b
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The script “checkpatch.pl” pointed 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>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/918229e6-80fe-629f-8fec-bf60ac15275f@users.sourceforge.net

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/sti/sti_hqvdp.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -1356,12 +1356,12 @@ static int sti_hqvdp_probe(struct platfo
 
 	/* Get Memory resources */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
+	if (!res) {
 		DRM_ERROR("Get memory resource failed\n");
 		return -ENXIO;
 	}
 	hqvdp->regs = devm_ioremap(dev, res->start, resource_size(res));
-	if (hqvdp->regs == NULL) {
+	if (!hqvdp->regs) {
 		DRM_ERROR("Register mapping failed\n");
 		return -ENXIO;
 	}