From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Christian_K=F6nig?= Subject: Re: [PATCH] gpu: drm: radeon: r600_cp.c: Cleaning up uninitialized variables Date: Mon, 02 Jun 2014 09:48:25 +0200 Message-ID: <538C2C49.9060000@vodafone.de> References: <1401577805-4609-1-git-send-email-rickard_strandqvist@spectrumdigital.se> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id 923BC6E4BC for ; Mon, 2 Jun 2014 00:48:41 -0700 (PDT) In-Reply-To: <1401577805-4609-1-git-send-email-rickard_strandqvist@spectrumdigital.se> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Rickard Strandqvist , Alex Deucher , =?ISO-8859-1?Q?Christian_K=F6nig?= Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Am 01.06.2014 01:10, schrieb Rickard Strandqvist: > There is a risk that the variable will be used without being initialized. > > This was largely found by using a static code analysis program called cppcheck. > > Signed-off-by: Rickard Strandqvist On the one hand it looks like a valid fix to me, but on the other hand the r600_cp.c code is deprecated for something like five years now. I would like to avoid touching it in any way and just let it rest peacefully until we can remove it entirely. Christian. > --- > drivers/gpu/drm/radeon/r600_cp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c > index 8c9b7e2..0770ad6 100644 > --- a/drivers/gpu/drm/radeon/r600_cp.c > +++ b/drivers/gpu/drm/radeon/r600_cp.c > @@ -2615,7 +2615,7 @@ int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fp > struct drm_radeon_cs *cs = data; > struct drm_buf *buf; > unsigned family; > - int l, r = 0; > + int l = 0, r = 0; > u32 *ib, cs_id = 0; > > if (dev_priv == NULL) {