Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753829AbbKLHuE (ORCPT ); Thu, 12 Nov 2015 02:50:04 -0500 Received: from mail-wm0-f43.google.com ([74.125.82.43]:37002 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753782AbbKLHuD (ORCPT ); Thu, 12 Nov 2015 02:50:03 -0500 From: LABBE Corentin To: lee.jones@linaro.org Cc: LABBE Corentin , linux-kernel@vger.kernel.org Subject: [PATCH] mfd: qcom_rpm: fix a possible NULL dereference Date: Thu, 12 Nov 2015 08:49:59 +0100 Message-Id: <1447314599-31460-1-git-send-email-clabbe.montjoie@gmail.com> X-Mailer: git-send-email 2.4.10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 874 Lines: 29 of_match_device could return NULL, and so cause a NULL pointer dereference later. Signed-off-by: LABBE Corentin --- drivers/mfd/qcom_rpm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c index 207a3bd..1be47ad 100644 --- a/drivers/mfd/qcom_rpm.c +++ b/drivers/mfd/qcom_rpm.c @@ -495,6 +495,8 @@ static int qcom_rpm_probe(struct platform_device *pdev) } match = of_match_device(qcom_rpm_of_match, &pdev->dev); + if (!match) + return -ENODEV; rpm->data = match->data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -- 2.4.10 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/