From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934383AbcHJWZL (ORCPT ); Wed, 10 Aug 2016 18:25:11 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:33304 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933321AbcHJWZJ (ORCPT ); Wed, 10 Aug 2016 18:25:09 -0400 From: Guenter Roeck To: Wim Van Sebroeck Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck , Neil Armstrong Subject: [PATCH] watchdog: core: Fix devres_alloc() allocation size Date: Tue, 9 Aug 2016 22:34:31 -0700 Message-Id: <1470807271-8723-1-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.5.0 X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Coverity reports: Passing argument 152UL /* sizeof (*wdd) */ to function __devres_alloc_node and then casting the return value to struct watchdog_device ** is suspicious. Allocation size needs to be sizeof(*rcwdd), not sizeof(*wdd). Fixes: 83fbae5a148c ("watchdog: Add a device managed API for ...") Cc: Neil Armstrong Signed-off-by: Guenter Roeck --- drivers/watchdog/watchdog_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 6abb83cd7681..74265b2f806c 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -349,7 +349,7 @@ int devm_watchdog_register_device(struct device *dev, struct watchdog_device **rcwdd; int ret; - rcwdd = devres_alloc(devm_watchdog_unregister_device, sizeof(*wdd), + rcwdd = devres_alloc(devm_watchdog_unregister_device, sizeof(*rcwdd), GFP_KERNEL); if (!rcwdd) return -ENOMEM; -- 2.5.0