From patchwork Mon Sep 25 15:47:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 95147 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qknoT-00EI3V-4a; Mon, 25 Sep 2023 15:47:57 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233209AbjIYPr7 (ORCPT + 1 other); Mon, 25 Sep 2023 11:47:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233110AbjIYPri (ORCPT ); Mon, 25 Sep 2023 11:47:38 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F95111B for ; Mon, 25 Sep 2023 08:47:30 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id ffacd0b85a97d-3231d67aff2so3151265f8f.0 for ; Mon, 25 Sep 2023 08:47:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1695656848; x=1696261648; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8DxLhsFGQa0BTkz7p4gD6/w8EaSRpwpvd+XFr08IQZw=; b=LZlnh0xUnVJ5e6ELnJk4teq+a0xyXb9CtxIjXENsIDXStmEHIVNNWK2sP+9iGIbkP8 VXeWqQdAO7TISU4WvEG8vHRjmYtN8u9dqVvGwVTnG1qouaZuBKMguT+QP0UfAR9958Bg 20ysUECGyEV0di8JW/2EG/wXcdGbftZ+AjHlphhnuIsn3RoUEZNZ48XNrXUPebHgHDrc 8Zy3jxg8mkMD9r/44tZVZO4wrFheb6I7F8xEOcYxARLp3EiDwk0eYMabVlR8P5XH1O5d 2zz7YjGpTD/IS5yCVWAbnNNRE40cwPr5JsP2oyVcmApBMsUf3YCrl1nvJnR9pw0cz1os objA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695656848; x=1696261648; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8DxLhsFGQa0BTkz7p4gD6/w8EaSRpwpvd+XFr08IQZw=; b=eaB5SLX35S/2vesiwreNB5DMCs6cjQi74v9yzpZ207BqEIjgR+L5Qc8Rw/MNgjLeAi orG/yMovg25osdhd6ozc53HgGLJMtvQnk71V9imgzLDGJcUKtGYjxulYLlRV7DNil2kS siTJNoS43GPmNGNLnlVm0waYDXojLN+wlhg1y+K4MHMX66QgUz44n1ba1SENx/EyZisW d4y9Fot3zBYYtyXy7cBR3M2uy8qIagPP2gHIo7/IVfCNnq/hB1BCMtmoIhs7bmy0mKTn +bYHKoXcfWKsLGU7Pnc0MqCGGmUrkPV1arYNKQeXqYPKOwyX+v15WWaAWHl7IPFcLZob k3qw== X-Gm-Message-State: AOJu0YyfG+2WRGp4687hIyQEILeqWVHkg6BosrucAVY/3wtvEJrY8fR5 02TDxvXA6pXTbubs7TNxUuG19g== X-Google-Smtp-Source: AGHT+IH+9c2e0yXhNRnuueGYs+KCwAvyqn08ir8+5lwMbxXYdPD4eJuMwQeJXJEHlMDrbQ2hom055Q== X-Received: by 2002:a5d:6a0c:0:b0:314:ca7:f30b with SMTP id m12-20020a5d6a0c000000b003140ca7f30bmr6183611wru.54.1695656848598; Mon, 25 Sep 2023 08:47:28 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id d4-20020adffd84000000b0031f34a395e7sm12077536wrr.45.2023.09.25.08.47.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 08:47:28 -0700 (PDT) From: Bryan O'Donoghue To: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, rfoss@kernel.org, todor.too@gmail.com, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, andrey.konovalov@linaro.org Cc: linux-kernel@vger.kernel.org, Bryan O'Donoghue Subject: [RESEND PATCH v6 16/17] media: qcom: camss: Propagate vfe_reset error up the callstack Date: Mon, 25 Sep 2023 16:47:06 +0100 Message-ID: <20230925154707.837542-17-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230925154707.837542-1-bryan.odonoghue@linaro.org> References: <20230925154707.837542-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no A previous patch I had removed the returns from vfe_disable() since we didn't trap any meaningful errors. Konrad pointed out vfe_reset() could return an error, which is true. Trap the vfe_reset() error code and throw it up the callstack. Suggested-by: Konrad Dybcio Signed-off-by: Bryan O'Donoghue --- drivers/media/platform/qcom/camss/camss-vfe.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index b3d5af7f09690..4839e2cedfe58 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -435,8 +435,11 @@ static int vfe_disable_output(struct vfe_line *line) int vfe_disable(struct vfe_line *line) { struct vfe_device *vfe = to_vfe(line); + int ret; - vfe_disable_output(line); + ret = vfe_disable_output(line); + if (ret) + goto error; vfe_put_output(line); @@ -446,7 +449,8 @@ int vfe_disable(struct vfe_line *line) mutex_unlock(&vfe->stream_lock); - return 0; +error: + return ret; } /**