From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 607CECD4F21 for ; Wed, 13 May 2026 22:03:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QCt2zuH5vL5ZyaTS924JNRt0f/Pn93/ls/wseqibxqs=; b=23q4DdOpGi8Vg6 Oc2kONNZGyx53jORF6BoRYKomeuB5kj2IH9QouSbHp12e73kHrZqo/0uq5xqlPD0+7T2+fEUsgSko D8pfa7HizdfFL+909BM5VAmm2RZBmSQ44XlFYpXJHhfRtW6+Gae9DPyXlWtdf2m/F3xKy8e+ObALp v5NaagFWdLtHXr/h92IjTlAvCHf2QcvsieKQyBCPea6ITzuIQFNRaqxgMTOCqK5SXcXKO1cawKMNw m3S+vjZ5WULYXeOlYCTsXBp8+BUbd4feApPVn2XJDWfIMObYR4TAWIfis5x2utBQqEDDNpubNC9ip dODPYVTma4anuFL8rP3A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wNHgA-00000003sxc-0CZ8; Wed, 13 May 2026 22:03:46 +0000 Received: from mgamail.intel.com ([198.175.65.19]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wNHg7-00000003svt-2gA2 for linux-phy@lists.infradead.org; Wed, 13 May 2026 22:03:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778709824; x=1810245824; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dwFBnLXsBSJhM0CEDgNPKRthY1LonLKx8Vv5G4u3TV8=; b=EF70uXKY/ISd6rkoaHXP2nh5v6TXGObW2evyQyUjP8Dx/6yF06iHgSue oDi9a7G3xDj5WjSU1qp222BaCuZbAwTRlrBGqSPwd8r85p77Ax1hEwUv9 46oMKg6YzRaWeuhNINOha01wfkxS/4gHZYSQ9zvzH+GbURUNwMIFe+obo jP882WOy7zyngxI3c5yYOL9Of607VPnC4DfI9nl8DvDyxKhOQplcuXw58 I9I9OmmEfFmcr4NjXipCgsDvTnunuB0pKW4iSd2htvY/mpgmxpRCeyNZo kS7FBj2zTd4WvtKv6aWDowx7nky6TvhjjJvCctPeTa+jHEDS0cGHR1aLg Q==; X-CSE-ConnectionGUID: JjlK5AnCTzON9HqXBz0vWw== X-CSE-MsgGUID: OarHhXn/SZCBisL6mMbwoQ== X-IronPort-AV: E=McAfee;i="6800,10657,11785"; a="79600739" X-IronPort-AV: E=Sophos;i="6.23,233,1770624000"; d="scan'208";a="79600739" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 15:03:42 -0700 X-CSE-ConnectionGUID: HXaP3u2zSlmHvqU9Upj2Rw== X-CSE-MsgGUID: VQ9ATF74QHWiC3PJQYuEQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,233,1770624000"; d="scan'208";a="238447029" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa007.jf.intel.com with ESMTP; 13 May 2026 15:03:39 -0700 Received: by black.igk.intel.com (Postfix, from userid 1003) id 93CBA98; Thu, 14 May 2026 00:03:38 +0200 (CEST) From: Andy Shevchenko To: Peng Fan , linux-can@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Marc Kleine-Budde , Vincent Mailhol , Vinod Koul , Neil Armstrong , Josua Mayer , Ulf Hansson , Andy Shevchenko Subject: [PATCH v5 1/6] phy: phy-can-transceiver: Check driver match and driver data against NULL Date: Thu, 14 May 2026 00:01:26 +0200 Message-ID: <20260513220336.369628-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260513220336.369628-1-andriy.shevchenko@linux.intel.com> References: <20260513220336.369628-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260513_150343_719347_0414F972 X-CRM114-Status: GOOD ( 12.30 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Every platform driver can be forced to match a device that doesn't match its list of device IDs because of device_match_driver_override() so platform drivers that rely on the existence of a device's driver data need to verify its presence. Accordingly, add requisite match and driver data checks against NULL to the driver where they are missing. Fixes: a4a86d273ff1 ("phy: phy-can-transceiver: Add support for generic CAN transceiver driver") Signed-off-by: Andy Shevchenko --- drivers/phy/phy-can-transceiver.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-can-transceiver.c b/drivers/phy/phy-can-transceiver.c index 2b52e47f247a..1808f903c057 100644 --- a/drivers/phy/phy-can-transceiver.c +++ b/drivers/phy/phy-can-transceiver.c @@ -162,6 +162,9 @@ static int can_transceiver_phy_probe(struct platform_device *pdev) int err, i, num_ch = 1; match = of_match_node(can_transceiver_phy_ids, pdev->dev.of_node); + if (!match || !match->data) + return -ENODEV; + drvdata = match->data; if (drvdata->flags & CAN_TRANSCEIVER_DUAL_CH) num_ch = 2; -- 2.50.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy