From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH] drm/mgag200: Delete an unnecessary check before drm_gem_object_unreference_unlocked() Date: Fri, 22 Jul 2016 11:32:08 +0200 Message-ID: <05b266e4-2bae-b70b-5a96-ae609496d173@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: linux-kernel-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org, Daniel Vetter , David Airlie Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall List-Id: dri-devel@lists.freedesktop.org From: Markus Elfring Date: Fri, 22 Jul 2016 11:20:27 +0200 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 --- drivers/gpu/drm/mgag200/mgag200_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index 615cbb0..13798b3 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -17,8 +17,8 @@ static void mga_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct mga_framebuffer *mga_fb = to_mga_framebuffer(fb); - if (mga_fb->obj) - drm_gem_object_unreference_unlocked(mga_fb->obj); + + drm_gem_object_unreference_unlocked(mga_fb->obj); drm_framebuffer_cleanup(fb); kfree(fb); } -- 2.9.2