Check properly that the allocated blob's pointer is valid.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Daniel Stone <daniels@xxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/drm_atomic_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 87d0b20..1caddb1 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2917,8 +2917,8 @@ void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
blob = drm_property_create_blob(dev,
sizeof(struct drm_color_lut) * size,
NULL);
- if (!blob) {
- ret = -ENOMEM;
+ if (IS_ERR(blob)) {
+ ret = PTR_ERR(blob);
goto fail;
}
--
2.7.0
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