From patchwork Fri Jun 21 01:35:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Ni X-Patchwork-Id: 13706654 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A9502F2F; Fri, 21 Jun 2024 01:42:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718934164; cv=none; b=HulN/HZrdI/TGsP3SzEC5SY9jDmyjHntBO2hXpQcBx87FTsR/qUKHi6yGuFx0i20DRKcsuvOmp1YZjgdDgxhaaGFE1KYpNnURuUwT+yTPqiX6pXSjoWQ/c8nCMpagTFsYJIczojn7tXzilryaNdi7gSE1FaO7xkqziRIM8h/ww0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718934164; c=relaxed/simple; bh=DZEVQTJMhVQBoUZ4+jSBDdNj0mLZGNkY2CZLSefgrho=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=ENmxv/2GtP3IF9mWAUg9gWNPFiqqlFKJvWy1v3KLcMG0tJbDZT1ye2gywoYwxmUxCXL+4Jilpi4o7EQPnKIdXp2VxH4l92T+LwCEq4imvYhF10sopnyX6qWSjkZ7N9W4EHBJXBlvKJRsHmZlpjLFyPYNvSeSrZDqI+/rn3G45ms= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost (unknown [124.16.138.129]) by APP-01 (Coremail) with SMTP id qwCowAD355g72XRmjgneCw--.1501S2; Fri, 21 Jun 2024 09:37:00 +0800 (CST) From: Chen Ni To: rfoss@kernel.org, todor.too@gmail.com, bryan.odonoghue@linaro.org, mchehab@kernel.org Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Chen Ni Subject: [PATCH] media: qcom: camss: Add check for v4l2_fwnode_endpoint_parse Date: Fri, 21 Jun 2024 09:35:22 +0800 Message-Id: <20240621013522.1704762-1-nichen@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: qwCowAD355g72XRmjgneCw--.1501S2 X-Coremail-Antispam: 1UD129KBjvdXoW7JFy3KrWfZw4UurW3uryfJFb_yoWDGFX_GF W8ZFZ3WFy8Gr1kGr4jy34SkryUt3ykuF109F4aqFy3ta1DCas7JrWvvr1DXryxuFyqvF1D G34qvr9xC3srCjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbc8FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr 0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr 0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVWk MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr 0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0E wIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJV W8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAI cVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjfUOMKZDUUUU X-CM-SenderInfo: xqlfxv3q6l2u1dvotugofq/ Add check for the return value of v4l2_fwnode_endpoint_parse() and return the error if it fails in order to catch the error. Signed-off-by: Chen Ni --- drivers/media/platform/qcom/camss/camss.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 1923615f0eea..c90a28fa8891 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1406,8 +1406,11 @@ static int camss_of_parse_endpoint_node(struct device *dev, struct v4l2_mbus_config_mipi_csi2 *mipi_csi2; struct v4l2_fwnode_endpoint vep = { { 0 } }; unsigned int i; + int ret; - v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + if (ret) + return ret; csd->interface.csiphy_id = vep.base.port;