From patchwork Wed Aug 14 14:11:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ma Ke X-Patchwork-Id: 13763549 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 4D5201B3729; Wed, 14 Aug 2024 14:11:48 +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=1723644712; cv=none; b=FzAzk+SjnjY75ns6ivwPjsJUrbdT2xY9XcUxPGmf1pKjN/59LCirPTWeb5kpvqcykkxUPicZMN45xBsuN2FqlVCVet/RZ83exkIDQXhqcZbkeW5L/9Q1QLV2t6+M+7cAnEFAEn8tSs2b9owuyRPLCS7LriAlBbT2MCRyCQ1xm6I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723644712; c=relaxed/simple; bh=i1CAnk/h9Q4SXCTz0xXO4EAsYZeuzccmTH4b+ucvLnw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=SYqJYJIqQA8gBeTreqVM1XfBOTZuyvQIqdOS2jCqcssLUSrUJH8hYt2r4+HBaTxRsvfD8mKEocA5zSrpYVYbBbFFF3vsQ3K9XC2aOC8hi+6Hbj/lxbAPSAorUbj/8xptFqCdFBxd3ZyLjtgeSoT/uFAft6SJs+zvUNZu86Ghxn8= 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 icess-ProLiant-DL380-Gen10.. (unknown [183.174.60.14]) by APP-01 (Coremail) with SMTP id qwCowAA3P0sOu7xmZa95Bg--.10101S2; Wed, 14 Aug 2024 22:11:33 +0800 (CST) From: Ma Ke To: vkoul@kernel.org, kishon@kernel.org, make24@iscas.ac.cn, ansuelsmth@gmail.com, agross@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH] phy: qualcomm: Check NULL ptr on data Date: Wed, 14 Aug 2024 22:11:25 +0800 Message-Id: <20240814141125.50763-1-make24@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: qwCowAA3P0sOu7xmZa95Bg--.10101S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKr13KryDCF45ZF4UCFW5trb_yoW3tFcE93 4UZr4fuF1ktF1rGr1UtrnIvryIya4qqr48Xa1SgFyrAay5AF1aqF98JFZ8ZrZ8Wa1xJw18 J34UuFykZr42qjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbVkFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2vYz4IE04k24VAvwVAKI4IrM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8Jw Am72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAG YxC7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r 1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CE b7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0x vE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAI cVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kf nxnUUI43ZEXa7VUbQVy7UUUUU== X-CM-SenderInfo: ppdnvj2u6l2u1dvotugofq/ Check NULL ptr on data, verify that data is not NULL before using it. Cc: stable@vger.kernel.org Fixes: ef19b117b834 ("phy: qualcomm: add qcom ipq806x dwc usb phy driver") Signed-off-by: Ma Ke --- drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 06392ed7c91b..9b9fd9c1b1f7 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -492,6 +492,8 @@ static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev) return -ENOMEM; data = of_device_get_match_data(&pdev->dev); + if (!data) + return -ENODEV; phy_dwc3->dev = &pdev->dev;