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drm/rockchip: Delete an unnecessary check before drm_gem_object_unreference_unlocked()

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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 <elfring@users.sourceforge.net>
This commit is contained in:
Markus Elfring 2016-07-15 15:23:22 +02:00 committed by Mark Yao
parent 15da78084d
commit f5e193a16d
1 changed files with 2 additions and 6 deletions
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8
drivers/gpu/drm/rockchip/rockchip_drm_fb.c
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@ -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);