[PATCH 5/5] drm/sti: Adjust two checks for null pointers in sti_hqvdp_probe()

From: SF Markus Elfring
Date: Fri May 05 2017 - 09:57:53 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 5 May 2017 15:33:19 +0200
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The script âcheckpatch.plâ pointed information out like the following.

Comparison to NULL could be written !â

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sti/sti_hqvdp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index 372ea294da80..a1c161f77804 100644
--- 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 platform_device *pdev)

/* 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;
}
--
2.12.2