From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754448Ab3CLFLz (ORCPT ); Tue, 12 Mar 2013 01:11:55 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:12285 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752813Ab3CLFLx (ORCPT ); Tue, 12 Mar 2013 01:11:53 -0400 X-AuditID: cbfee68f-b7f4a6d000001436-6c-513eb9182dd4 Date: Tue, 12 Mar 2013 05:11:52 +0000 (GMT) From: Jingoo Han Subject: Re: Regulator API ignored return values To: Arnd Bergmann Cc: "linux-kernel@vger.kernel.org" , Stephen Warren , "linux-arm-kernel@lists.infradead.org" , Mark Brown , Linus Walleij , Chris Ball , Axel Lin , Jingoo Han , Felipe Balbi , Dmitry Torokhov Reply-to: jg1.han@samsung.com MIME-version: 1.0 X-MTR: 20130312050934742@jg1.han Msgkey: 20130312050934742@jg1.han X-EPLocale: en_US.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: 20130312050934742@jg1.han X-ParentMTR: X-ArchiveUser: EV X-CPGSPASS: Y Content-type: text/plain; charset=euc-kr MIME-version: 1.0 Message-id: <17686649.119241363065111720.JavaMail.weblogic@epml02> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEJsWRmVeSWpSXmKPExsVy+t8zQ12JnXaBBt9fSllc3jWHzYHR4/Mm uQDGqAZGm8Si5IzMslSF1Lzk/JTMvHRbpdAQN10LJYWM/OISW6VoIwNjPSNTEz0jE3M9S4NY KyNTJYW8xNxUW6UKXaheJYWi5AKg2tzKYqABOal6UHG94tS8FIes/FKQS/SKE3OLS/PS9ZLz c5UUyhJzSoFGKOknTGXMONlbVtDDU/H41VfmBsYH3F2MnBxCAkoSk07uZQSxJQRMJD4fbmaB sMUkLtxbz9bFyAVUs4xR4uHppywwRXtebmeFSMxnlFh46CMbSIJFQFXi4esHrCA2m4C6xITf EJOEBQwk9k76CbZBREBZ4tePSWDNzAKXmCXmz1zLBnGGrMS9ybOZQWxeAUGJkzOfADVzAG1T kLh3Tw7E5BVQlJh2qgbiBgmJO/f3s0LYvBIz2mFuk5OY9nUNM4QtLXF+1gZGmGcWf38MFeeX OHZ7BxPEdF6JJ/eDYcbs3vyFDcIWkJh65iBUq6pE686vTBA2n8SahW+hVglKnL7WzQzT27Dx NzuIzQx05ZTuh1C2lsSXH/vYUD0FYjtJfPv4i2UCo/IsJKlZSNpnIWlHVrOAkWUVo2hqQXJB cVJ6kTFyXG9ihCTB/h2Mdw9YH2LczwiMkonMUqLJ+cA0mlcSb2hsZmRhamJqbGRuaUahsImp hYWJEVWElcR51VqsA4UE0hNLUrNTUwtSi+KLSnNSiw8xMnFwSjUwGjIee320Xj4sPSf8j1OW cOCsI5/cmOb21fkqL9LoqTuy8EqouUPp/dJDyv6b76j2B+6N3LZ6q/ojvf2zlZV1fma83X52 ziWn3INe/jGrXN5W9LILVjnP671bb/eyQrPTYpnKUqtWKXfdY5c85k36VLbsZkdTQe/jOy9X 7bt0W2muYKlUukGGEktxRqKhFnNRcSIAW2myiPUDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpgk+LIzCtJLcpLzFFi42I5/e/2DF2JnXaBBv8OiFtc3jWHzYHR4/Mm uQDGqAybjNTElNQihdS85PyUzLx0WyXv4HjneFMzA0NdQ0sLcyWFvMTcVFslF58AXbfMHKCh SgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJbpWgjA2M9I1MTPSNjAz1jy1grQwMDI1OgqoSM jJO9ZQU9PBWPX31lbmB8wN3FyMkhJKAkMenkXkYQW0LARGLPy+2sELaYxIV769m6GLmAauYz Siw89JENJMEioCrx8PUDsCI2AXWJCb+bWUBsYQEDib2TfoINEhFQlvj1YxIrSDOzwCVmifkz 17JBbJOVuDd5NjOIzSsgKHFy5hOgZg6gbQoS9+7JgZi8AooS007VQNwgIXHn/n6oe3glZrQ/ ZYGw5SSmfV3DDGFLS5yftYER5ubF3x9Dxfkljt3ewQQxnVfiyf1gmDG7N39hg7AFJKaeOQjV qirRuvMrE4TNJ7Fm4VuoVYISp691M8P0Nmz8zQ5iMwNdOaX7IZStJfHlxz42VE+B2E4S3z7+ YpnAKDcLSWoWkvZZSNqR1SxgZFnFKJpakFxQnJReYaJXnJhbXJqXrpecn7uJEZyeni3Zwdhw wfoQowAHoxIP74nPtoFCrIllxZW5hxglOJiVRHgzNtsFCvGmJFZWpRblxxeV5qQWH2JMBsbf RGYp0eR8YOrMK4k3NDY2MTMxNTewMLA0J01YSZz3Wat1oJBAemJJanZqakFqEcwWJg5OqQbG ZrdoTr4TJgaSTyzW/FvT4G+U6WIe0VUnzj+jZX+P/43QdbKfu7PrN6w0fczeuH9VIm9d7/Mu 2aW7EoM5guIsd9550JU8V5l35cMN3n6Hd5/RSkn2jdxo8ef9p/difVdsgnTPvN66i5lNJ9Lj HlfR3l3//E4G31jzbOedwrLVWV+nPlDb0tmgxFKckWioxVxUnAgAsAFC1pMDAAA= DLP-Filter: Pass 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 r2C5BvLN012961 On Tuesday, March 12, 2013 5:44 AM, Arnd Bergmann wrote: > > Hi all, > > Mark Brown has added a patch to Linux-next that warns about certain regulator > API functions being called without checking the results, which seems to have > uncovered a number of bugs. > > I've added a few people to Cc that might be interested in the reports and > in fixing these bugs. Below you can find a list of all instances I found > building the ARM defconfigs. > > Arnd > [...] > /git/arm-soc/drivers/video/backlight/l4f00242t03.c: In function 'l4f00242t03_lcd_init': > /git/arm-soc/drivers/video/backlight/l4f00242t03.c:58:18: warning: ignoring return value of > 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result] > /git/arm-soc/drivers/video/backlight/l4f00242t03.c:61:18: warning: ignoring return value of > 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result] Hi Arnd Bergmann, I fixed these warnings and the patch was added to mm-tree. (http://www.spinics.net/lists/mm-commits/msg95324.html) Thank you for reporting :) Best regards, Jingoo Han {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I