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drm/ast: 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 <elfring@users.sourceforge.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/f28c063f-ec56-e62b-9370-89ce833fa4e5@users.sourceforge.net
This commit is contained in:
Markus Elfring 2016-07-16 09:54:22 +02:00 committed by Daniel Vetter
parent 536cea6073
commit f7813aa037
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/ast/ast_main.c
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@ -295,9 +295,8 @@ static int ast_get_dram_info(struct drm_device *dev)
static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
if (ast_fb->obj)
drm_gem_object_unreference_unlocked(ast_fb->obj);
drm_gem_object_unreference_unlocked(ast_fb->obj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}