From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Wed, 19 Nov 2014 16:37:41 +0000 Subject: [PATCH 1/1] DRM-UDL: Deletion of an unnecessary check before the function call "vunmap" Message-Id: <546CC755.4010804@users.sourceforge.net> List-Id: 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.so urceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Airlie , dri-devel@lists.freedesktop.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Wed, 19 Nov 2014 17:33:32 +0100 The vunmap() function performes also input parameter validation. 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/udl/udl_gem.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 8044f5f..2979625 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -164,8 +164,7 @@ void udl_gem_vunmap(struct udl_gem_object *obj) return; } - if (obj->vmapping) - vunmap(obj->vmapping); + vunmap(obj->vmapping); udl_gem_put_pages(obj); } -- 2.1.3