From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiffany Lin Subject: Re: [PATCH] vcodec: mediatek: fix odd_ptr_err.cocci warnings Date: Wed, 7 Sep 2016 13:25:29 +0800 Message-ID: <1473225929.10038.0.camel@mtksdaap41> References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Julia Lawall Cc: Hans Verkuil , Mauro Carvalho Chehab , linux-media@vger.kernel.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kbuild-all@01.org List-Id: linux-mediatek@lists.infradead.org On Tue, 2016-09-06 at 22:51 +0800, Julia Lawall wrote: > PTR_ERR should access the value just tested by IS_ERR > > Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci > > CC: Tiffany Lin > Signed-off-by: Julia Lawall > Signed-off-by: Fengguang Wu Reviewed-by:Tiffany Lin > --- > > mtk_vcodec_dec_drv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c > @@ -255,7 +255,7 @@ static int mtk_vcodec_probe(struct platf > } > dev->reg_base[i] = devm_ioremap_resource(&pdev->dev, res); > if (IS_ERR((__force void *)dev->reg_base[i])) { > - ret = PTR_ERR((__force void *)dev->reg_base); > + ret = PTR_ERR((__force void *)dev->reg_base[i]); > goto err_res; > } > mtk_v4l2_debug(2, "reg[%d] base=%p", i, dev->reg_base[i]);