From patchwork Mon Dec 12 09:49:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiasheng Jiang X-Patchwork-Id: 633565 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9F724C4332F for ; Mon, 12 Dec 2022 09:51:00 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3600D22D9; Mon, 12 Dec 2022 10:50:08 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3600D22D9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1670838658; bh=6+UcUyyY8WuBcRLc1P8BfQ+gA59tahe9m/hHSn2NEJI=; h=From:To:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:Cc:From; b=b2CmBInyhYJtujffW9YTwJqhXXCLeeNIKB87gQBOx1rfj+agHYsgLPghLfGKpQrXG wnJekMaF0EelIRKzuLfRXCw5no3WQ8fhkelaZxFkmDLRs4ztzw/YTw6xhKehCYUSab TOJ2jJV5YlcrUdHrCNoC7RFv4t3LJLpLLExhhfCA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E5845F80165; Mon, 12 Dec 2022 10:50:07 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EB042F80494; Mon, 12 Dec 2022 10:50:05 +0100 (CET) Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) by alsa1.perex.cz (Postfix) with ESMTP id 427CDF80115 for ; Mon, 12 Dec 2022 10:50:01 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 427CDF80115 Received: from localhost.localdomain (unknown [124.16.138.125]) by APP-05 (Coremail) with SMTP id zQCowAAXH_NA+ZZj5q2tBg--.62925S2; Mon, 12 Dec 2022 17:49:52 +0800 (CST) From: Jiasheng Jiang To: agross@kernel.org, konrad.dybcio@somainline.org, srinivas.kandagatla@linaro.org Subject: [PATCH] slimbus: qcom-ngd: Add check for platform_driver_register Date: Mon, 12 Dec 2022 17:49:50 +0800 Message-Id: <20221212094950.23050-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: zQCowAAXH_NA+ZZj5q2tBg--.62925S2 X-Coremail-Antispam: 1UD129KBjvdXoW7JFW3tFyUuw4rXFWfGF4DArb_yoWfAwcEkr yS9F9FyrsxCrnIvFnFqF43Z34IyF98WFs5uw4jvry3trWxJF1DXr4Yvr4UCF4UCrWUtw17 J3s0yrWfAryxGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2AFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVW8uwCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr 1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JU4BT5UUUUU= X-Originating-IP: [124.16.138.125] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, Jiasheng Jiang , linux-kernel@vger.kernel.org Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add the check for the return value of platform_driver_register in order to catch the exception. Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver") Signed-off-by: Jiasheng Jiang --- drivers/slimbus/qcom-ngd-ctrl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 76c5e446d243..c16fc9e6d1c6 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1590,7 +1590,10 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) goto err_pdr_lookup; } - platform_driver_register(&qcom_slim_ngd_driver); + ret = platform_driver_register(&qcom_slim_ngd_driver); + if (ret < 0) + goto err_pdr_lookup; + return of_qcom_slim_ngd_register(dev, ctrl); err_pdr_alloc: