From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BE2EC7EE24 for ; Tue, 30 May 2023 17:42:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230117AbjE3Rm2 (ORCPT ); Tue, 30 May 2023 13:42:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229866AbjE3Rm2 (ORCPT ); Tue, 30 May 2023 13:42:28 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D07A4B2; Tue, 30 May 2023 10:42:26 -0700 (PDT) Received: from pendragon.ideasonboard.com (om126205198071.34.openmobile.ne.jp [126.205.198.71]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id CD80A7EC; Tue, 30 May 2023 19:42:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1685468524; bh=CaKTnHZCM+2tWEEUW3VhPnjGo68JAAX4FhkKXSxl8lE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uuNskoDUgqj2a39oi2O7SRQQvVV1TDbHqI0gq4PnV9NnU8jOPTLtC1rdj5OK3BZT8 GcN9Kk1wOFGv9DvsWrOAjL0uSksJp0VP3qIl9WtoEf0BeLr9qLQBlOlnLfYjl60VUt XWL4X3gVaIZEpRAl/eSBnBHCtzAfojry1i7uO5Rs= Date: Tue, 30 May 2023 20:42:25 +0300 From: Laurent Pinchart To: Yassine Oudjana Cc: Robert Foss , Todor Tomov , Bryan O'Donoghue , Andy Gross , Bjorn Andersson , Konrad Dybcio , Mauro Carvalho Chehab , Tomi Valkeinen , Sakari Ailus , Shuah Khan , Lad Prabhakar , Yassine Oudjana , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] media: camss: camss-video: Don't zero subdev format again after initialization Message-ID: <20230530174225.GI22516@pendragon.ideasonboard.com> References: <20230503075340.45755-1-y.oudjana@protonmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230503075340.45755-1-y.oudjana@protonmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hi Yassine, Thank you for the patch. On Wed, May 03, 2023 at 10:53:40AM +0300, Yassine Oudjana wrote: > From: Yassine Oudjana > > In an earlier commit, setting the which field of the subdev format struct > in video_get_subdev_format was moved to a designated initializer that also > zeroes all other fields. However, the memset call that was zeroing the > fields earlier was left in place, causing the which field to be cleared > after being set in the initializer. > > Remove the memset call from video_get_subdev_format to avoid clearing the > initialized which field. > > Fixes: ecefa105cc44 ("media: Zero-initialize all structures passed to subdev pad operations") > Signed-off-by: Yassine Oudjana Reviewed-by: Laurent Pinchart This is a regression fix, I'll send a pull request right away. > --- > drivers/media/platform/qcom/camss/camss-video.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c > index 898f32177b12..8640db306026 100644 > --- a/drivers/media/platform/qcom/camss/camss-video.c > +++ b/drivers/media/platform/qcom/camss/camss-video.c > @@ -353,7 +353,6 @@ static int video_get_subdev_format(struct camss_video *video, > if (subdev == NULL) > return -EPIPE; > > - memset(&fmt, 0, sizeof(fmt)); > fmt.pad = pad; > > ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); -- Regards, Laurent Pinchart