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 10E21C433FE for ; Tue, 1 Nov 2022 11:34:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231237AbiKALei (ORCPT ); Tue, 1 Nov 2022 07:34:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231329AbiKALeH (ORCPT ); Tue, 1 Nov 2022 07:34:07 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC3AC1C414; Tue, 1 Nov 2022 04:30:35 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3E065B81CC7; Tue, 1 Nov 2022 11:30:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFB93C43145; Tue, 1 Nov 2022 11:30:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667302218; bh=Vje9gAoWu//vjHCQV2WQYJ3jC/VDrOWpj/Foi4eVcco=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nTUk7npi9/HAZDHFF1sbc+HIavmZ88CSUHjAKo7DVZ9wIl+DT9OxzTz0Yj6UjvCAJ raP07xae0d2pHs1YUjdVcb5w+IZ6fjYYwoqcUhO3C457eDVCuZJpEiE96pRrlKHZHW rwsjA1uw88pB5gl1L2ALc5L6O2e+1azSDMzIFWy2COa8qaLiGcz6kXwz2DtgHgv4uo dUZ5Nxsf3TKE5MjxkCd/PKKWJiKqr1UieWoRUyRJzFGOQtYqLj87KuLnE4YFzIKUL5 ptaYtxbp6vZnu81p/SgQ6YU1rTeBACk5uyodqdNdJ4R1lPPepAFLS2WGBxeZSPqJVZ nglI66xJnO+wA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Laurent Pinchart , Paul Elder , Dafna Hirschfeld , Mauro Carvalho Chehab , Sasha Levin , gregkh@linuxfoundation.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH AUTOSEL 5.10 02/14] media: rkisp1: Zero v4l2_subdev_format fields in when validating links Date: Tue, 1 Nov 2022 07:29:58 -0400 Message-Id: <20221101113012.800271-2-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221101113012.800271-1-sashal@kernel.org> References: <20221101113012.800271-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Laurent Pinchart [ Upstream commit c53e3a049f35978a150526671587fd46b1ae7ca1 ] The local sd_fmt variable in rkisp1_capture_link_validate() has uninitialized fields, which causes random failures when calling the subdev .get_fmt() operation. Fix it by initializing the variable when declaring it, which zeros all other fields. Signed-off-by: Laurent Pinchart Reviewed-by: Paul Elder Reviewed-by: Dafna Hirschfeld Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/staging/media/rkisp1/rkisp1-capture.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c index 0c934ca5adaa..8936f5a81680 100644 --- a/drivers/staging/media/rkisp1/rkisp1-capture.c +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c @@ -1258,11 +1258,12 @@ static int rkisp1_capture_link_validate(struct media_link *link) struct rkisp1_capture *cap = video_get_drvdata(vdev); const struct rkisp1_capture_fmt_cfg *fmt = rkisp1_find_fmt_cfg(cap, cap->pix.fmt.pixelformat); - struct v4l2_subdev_format sd_fmt; + struct v4l2_subdev_format sd_fmt = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + .pad = link->source->index, + }; int ret; - sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; - sd_fmt.pad = link->source->index; ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sd_fmt); if (ret) return ret; -- 2.35.1