From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752183AbdHGNHW (ORCPT ); Mon, 7 Aug 2017 09:07:22 -0400 Received: from sabertooth02.qualcomm.com ([65.197.215.38]:14505 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751905AbdHGNHV (ORCPT ); Mon, 7 Aug 2017 09:07:21 -0400 X-IronPort-AV: E=Sophos;i="5.41,338,1498546800"; d="scan'208";a="113172247" X-IronPort-AV: E=McAfee;i="5900,7806,8614"; a="1419133987" X-MGA-submission: =?us-ascii?q?MDEAPbRgzGJLTFZend+Kg7LvZYvGceFbBoB9r6?= =?us-ascii?q?dRMqVBjII+ha/kiL/ETAzb8PaEZYGJOrry6uGdIdY9vebOQRtzIjd4B3?= =?us-ascii?q?++AMKz9EebT9628BfmfanuqSoBs6NJTk/hsAUyH3+tf94304Uxr5bBZ5?= =?us-ascii?q?tZ?= From: Santosh Mardi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, rafael.j.wysocki@intel.com, cw00.choi@samsung.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, gsantosh@qti.qualcomm.com, gsantosh@codeaurora.org, skannan@quicinc.com, rgottimu@qti.qualcomm.com Subject: [PATCH] devfreq: add error check for sscanf in userspace governor Date: Mon, 7 Aug 2017 18:36:44 +0530 Message-Id: <1502111205-22560-1-git-send-email-gsantosh@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org What this patch does: Current implementation of store_freq function in devfreq userspace governor executes further, even if error is returned from sscanf. This will result in setting up wrong frequency value. This patch adds proper error check to bail out if any error is returned. Santosh Mardi (1): devfreq: add error check for sscanf in userspace governor drivers/devfreq/governor_userspace.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 1.9.1