Commit dcc9d76b authored Jan 23, 2019 by Dan Carpenter Committed by Liviu Dudau Jan 30, 2019

drm/komeda: Off by one in komeda_fb_get_pixel_addr()



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

Fixes: c46c24bb ("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>

parent 874cf192

drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		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");
		return -EINVAL;
		}