From: Markus Elfring Date: Fri, 15 Jul 2016 13:23:22 +0000 (+0200) Subject: drm/rockchip: Delete an unnecessary check before drm_gem_object_unreference_unlocked() X-Git-Tag: android-x86-7.1-r1~993^2~10^2~1 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f5e193a16dbe715b82ae8c5b1d70a3ca8f07c1ff;p=android-x86%2Fkernel.git drm/rockchip: Delete an unnecessary check before drm_gem_object_unreference_unlocked() The drm_gem_object_unreference_unlocked() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index b33debc0fa92..55c52734c52d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -44,14 +44,10 @@ struct drm_gem_object *rockchip_fb_get_gem_obj(struct drm_framebuffer *fb, static void rockchip_drm_fb_destroy(struct drm_framebuffer *fb) { struct rockchip_drm_fb *rockchip_fb = to_rockchip_fb(fb); - struct drm_gem_object *obj; int i; - for (i = 0; i < ROCKCHIP_MAX_FB_BUFFER; i++) { - obj = rockchip_fb->obj[i]; - if (obj) - drm_gem_object_unreference_unlocked(obj); - } + for (i = 0; i < ROCKCHIP_MAX_FB_BUFFER; i++) + drm_gem_object_unreference_unlocked(rockchip_fb->obj[i]); drm_framebuffer_cleanup(fb); kfree(rockchip_fb);