From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751671Ab2JQE7B (ORCPT ); Wed, 17 Oct 2012 00:59:01 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:64397 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877Ab2JQE7A (ORCPT ); Wed, 17 Oct 2012 00:59:00 -0400 X-AuditID: cbfee612-b7f776d000001e97-3a-507e3b13ea07 Date: Wed, 17 Oct 2012 04:58:58 +0000 (GMT) From: MyungJoo Ham Subject: Re: [PATCH 1/2] PM / devfreq: fix sscanf handling for writable sysfs entries To: Nishanth Menon , "linux-pm@vger.kernel.org" Cc: =?euc-kr?Q?=B9=DA=B0=E6=B9=CE?= , "Rafael J. Wysocki" , Kevin Hilman , "linux-kernel@vger.kernel.org" Reply-to: myungjoo.ham@samsung.com MIME-version: 1.0 X-MTR: 20121017045830567@myungjoo.ham Msgkey: 20121017045830567@myungjoo.ham X-EPLocale: ko_KR.euc-kr X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-EPTrCode: X-EPTrName: X-MLAttribute: X-RootMTR: 20121017045830567@myungjoo.ham X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N Content-type: text/plain; charset=euc-kr MIME-version: 1.0 Message-id: <686519.131861350449936406.JavaMail.weblogic@epml24> DLP-Filter: Pass X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrCKsWRmVeSWpSXmKPExsVy+t8zPV1h67oAgzMnuS0u75rD5sDo8XmT XABjFJdNSmpOZllqkb5dAlfG0cfdLAUr2CuunzjC0sDYw97FyMkhJKAusWjJSTYQW0LAROLs nl1QtpjEhXvrgWwuoJpljBI7fu1j7GLkACvqXa4PEZ/PKPF77RFmkAYWAVWJ0w+6mEBq2AT0 JGZ+TgYJCwuESux9fQNsl4hApETzjZ3MIL3MAqcYJR483cQGcYSSxJp9r1hAbF4BQYmTM5+w QByhKvH+1AyouJrE9Od3oOISErOmX2CFsHklZrQ/hYrLSUz7uoYZwpaWOD9rAyPMM4u/P4aK 80scu72DCeIXXokn94Nhxuze/AXqdwGJqWcOQrVqScy7vQ8qziexZuFbFpgxu04tZ4bpvb9l LhOIzSygKDGl+yE7hK0l8eUHRC/CWxxAtoPEhRaLCYzKs5BkZiHpnoWkG1nNAkaWVYyiqQXJ BcVJ6akWesWJucWleel6yfm5mxghSUFoB+OyBotDjAIcjEo8vBMn1QYIsSaWFVfmHmKU4GBW EuE1bwQK8aYkVlalFuXHF5XmpBYfYvQBxt9EZinR5HxgwsoriTc0NjA2NLQ0NDO1NDXAIawk zlvhkRIgJJCeWJKanZpakFoEM46Jg1OqgfHQp2fbajjcshy3PDuWvXrbnYnSk/ks1fsOBeeb TUzN/RV+V09Nb2H7OTZPrblmRz85Hv/6SaotT9LvUPTKewd/vXjy63di++tPoXL5HZsWyNoE mKcFXX9x4Er2uf3rl+iIT+VoX/iDs+j0cb6NJ932rN7YtWvGV79ZueWcLw6JbWxwrfp584iw EktxRqKhFnNRcSIAs71jBDcDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrJKsWRmVeSWpSXmKPExsVy+t/t6bpC1nUBBqsvKVtc3jWHzYHR4/Mm uQDGqAybjNTElNQihdS85PyUzLx0WyXv4HjneFMzA0NdQ0sLcyWFvMTcVFslF58AXbfMHKCh SgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJbpWgjA2M9I1MTPSNjAz0Tg1grQwMDI1OgqoSM jKOPu1kKVrBXXD9xhKWBsYe9i5GTQ0hAXWLRkpNsXYwcHBICJhK9y/VBwhICYhIX7q0HCnMB lcxnlPi99ggzSIJFQFXi9IMuJpB6NgE9iZmfk0HCwgKhEntf3wAbKSIQKdF8YyczSC+zwClG iQdPN7FB7FKSWLPvFQuIzSsgKHFy5hMWiGWqEu9PzYCKq0lMf34HKi4hMWv6BVYIm1diRvtT qLicxLSva5ghbGmJ87M2MMIcvfj7Y6g4v8Sx2zuYIP7ilXhyPxhmzO7NX9ggbAGJqWcOQrVq Scy7vQ8qziexZuFbFpgxu04tZ4bpvb9lLhOIzSygKDGl+yE7hK0l8eUHRC/CWxxAtoPEhRaL CYxys5BkZiHpnoWkG1nNAkaWVYyiqQXJBcVJ6akWesWJucWleel6yfm5mxjB6emZ0A7GZQ0W hxgFOBiVeHgnTqoNEGJNLCuuzD3EKMHBrCTCa94IFOJNSaysSi3Kjy8qzUktPsToA4y/icxS osn5wNSZVxJvaGxgbGhoaW5gamhkgUNYSZy3wiMlQEggPbEkNTs1tSC1CGYcEwenVAOjZ/Ee u5W3fv643vZZ4VBD26rr01jbz5+aNOXzyjI3tc9Xuf7vMl4sKrtoz7+d5toPMvZMnHx94cLG /q1OLl7eQfrX+QUkd59f+c24XSMt9+EiTY707+6MIj86m8UKvrz/IP93TsvlDfvFJ3af3zhr +cpl3M3PttQ1NKhl2CQ8MNPsi2CplNXVU2Ipzkg01GIuKk4EADlTy018AwAA X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id q9H4x7s6002012 > sscanf returns 0 when an invalid parameter like: > echo -n "a">min_freq > is attempted. Returning back the return result(0) will > cause the command not to return back to command > prompt. > > Instead, just return -EINVAL when sscanf does not > return 1. > > This is done for min_freq, max_freq and polling_interval > > Cc: MyungJoo Ham > Cc: Kyungmin Park > Cc: "Rafael J. Wysocki" > Cc: Kevin Hilman > Cc: linux-pm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > > Signed-off-by: Nishanth Menon Acked-by: MyungJoo Ham {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I