From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753018AbbF2PbA (ORCPT ); Mon, 29 Jun 2015 11:31:00 -0400 Received: from mail-yk0-f177.google.com ([209.85.160.177]:36026 "EHLO mail-yk0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753318AbbF2Paw (ORCPT ); Mon, 29 Jun 2015 11:30:52 -0400 MIME-Version: 1.0 In-Reply-To: <558FB427.80103@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> <558FB427.80103@users.sourceforge.net> Date: Mon, 29 Jun 2015 11:30:51 -0400 Message-ID: Subject: Re: [PATCH] drm/amdgpu: Delete an unnecessary check before the function call "kfree" From: Alex Deucher To: SF Markus Elfring Cc: Alex Deucher , David Airlie , Maling list - DRI developers , Julia Lawall , kernel-janitors@vger.kernel.org, LKML Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 28, 2015 at 4:45 AM, SF Markus Elfring wrote: > From: Markus Elfring > Date: Sun, 28 Jun 2015 10:27:35 +0200 > > The kfree() 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 I already have the same patch from Maninder Singh. Thanks! Alex > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index fec487d..a85cd08 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -1575,8 +1575,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev) > amdgpu_fence_driver_fini(adev); > amdgpu_fbdev_fini(adev); > r = amdgpu_fini(adev); > - if (adev->ip_block_enabled) > - kfree(adev->ip_block_enabled); > + kfree(adev->ip_block_enabled); > adev->ip_block_enabled = NULL; > adev->accel_working = false; > /* free i2c buses */ > -- > 2.4.4 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel