leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/komeda: Off by one in komeda_fb_get_pixel_addr()

Browse Source 
The > should be >= to avoid an off by one bug.

Fixes: c46c24bb6b ("drm/komeda: Add komeda_framebuffer")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This commit is contained in:
Dan Carpenter
2019-01-23 12:37:55 +03:00
committed by Liviu Dudau
parent 874cf19296
commit dcc9d76b6d
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
View File

@@ -144,7 +144,7 @@ komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane)
const struct drm_gem_cma_object *obj; const struct drm_gem_cma_object *obj;
u32 plane_x, plane_y, cpp, pitch, offset; u32 plane_x, plane_y, cpp, pitch, offset;
if (plane > fb->format->num_planes) { if (plane >= fb->format->num_planes) {
DRM_DEBUG_KMS("Out of max plane num.\n"); DRM_DEBUG_KMS("Out of max plane num.\n");
return -EINVAL; return -EINVAL;
} }