From patchwork Mon Sep 25 15:40:58 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: 13398047 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 817C6CE7A9D for ; Mon, 25 Sep 2023 15:42:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233082AbjIYPmP (ORCPT ); Mon, 25 Sep 2023 11:42:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233093AbjIYPlw (ORCPT ); Mon, 25 Sep 2023 11:41:52 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C367CD7 for ; Mon, 25 Sep 2023 08:41:24 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id 5b1f17b1804b1-40594697600so15417995e9.1 for ; Mon, 25 Sep 2023 08:41:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1695656482; x=1696261282; 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=I4RxAQnZPPgiCX1olxeCWjymyrFRXXQqXNzM8B73Xk7a3Gxdl0y0yFH+EZ6VIhWfUS ajd6jviob716LxjNJ2rHLDBLLK0R3oflKYso6i7lZgl4GkI3uMpm2Cw/TywTwzWMB0cu zR29In8X8bWk3OOvWGzXqT3p/9/AC5elP8kHMhJk/2Cs2S25m8UCTw32E7XbFLRyhbWN xi0jyCt2gjrF1z0otHqCuWHvvci1cWEzZhAyTACVn8qa1FVZwpfQ7a44P3ORFGPOhheP BksMlmpSB0KlJh6TxnckCFmlBr2CcENxE/QfUY5G7og8J7zUp82SMgVgmatsr2nZbvIc q77A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695656482; x=1696261282; 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=ugXNXnXQJElYZgjjEKM4jah3rCTw/wZd3cpkQZJjdZq/UK3FG04oIn+3tyXstJvq2R AKqzdr8HK7q0NMC4Uy7kRdmdVCkOck1Vdjf+/ZEJF6UKm7UR+VJsJhHeNI2OjZ1CaTvZ t0NrNkg89dSnAzGnYukUPGCVIWcHAoApbf5S7fV4H0hHCeWxwN/vHk89rs1J0OPYVeY1 EZ2R3mDDHfsBszIKFkMUeGTJkePMtyAoCLGQJ/WHXzIMRpvUDiQFgWx5WkhRQ81y9+yU MZAX+e3R1V0BiaycafgKf8dxiyA4Kys6pUNuz/XCkr8gU5C15BdK6+ln3xeBDRRDLnso ctMg== X-Gm-Message-State: AOJu0YyHMJL7nhATmzPi7+aWWF+KL5hZiL2113UMeDxy4YRO1/Z8ExPL Mvp56CAWiD0mfn1C/Uu64iUBUA== X-Google-Smtp-Source: AGHT+IHt1ZkWrEXe0HIB7lOF0ornhJHLDvn5FtFuukmPR0tn0SDfK/hF8+aXungcDLGK63lcBFHWPA== X-Received: by 2002:a7b:cb97:0:b0:401:b204:3b98 with SMTP id m23-20020a7bcb97000000b00401b2043b98mr6717942wmi.19.1695656482556; Mon, 25 Sep 2023 08:41:22 -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 m15-20020a7bca4f000000b003fe4548188bsm15206155wml.48.2023.09.25.08.41.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 08:41:22 -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, robert.foss@linaro.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: [PATCH v6 16/17] media: qcom: camss: Propagate vfe_reset error up the callstack Date: Mon, 25 Sep 2023 16:40:58 +0100 Message-ID: <20230925154059.837152-17-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230925154059.837152-1-bryan.odonoghue@linaro.org> References: <20230925154059.837152-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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; } /**