From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761552AbYFDMNH (ORCPT ); Wed, 4 Jun 2008 08:13:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760735AbYFDMKJ (ORCPT ); Wed, 4 Jun 2008 08:10:09 -0400 Received: from rv-out-0506.google.com ([209.85.198.225]:42730 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760695AbYFDMKH (ORCPT ); Wed, 4 Jun 2008 08:10:07 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:references:user-agent:date:from:to:cc:subject :content-disposition; b=gTvhr3B3PGGTzS8HbuEpaUyF8Xpal3pdZVmddoGO8KLzQU6qdajcX0SJk8wgOvTf3q d0IEWfHunWAWs8iLjRSn18mTtsJHXw24TPwBQ9oYVgiRIw4ka4Zrba/wO+QFGJG5500v +GbC6yIrMEL9k1BLFCAbGrmx9/SmEPqWZLX4o= Message-Id: <20080604115746.808522219@gmail.com> References: <20080604115633.116832712@gmail.com> User-Agent: quilt/0.46-1 Date: Wed, 04 Jun 2008 20:56:42 +0900 From: Akinobu Mita To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org Cc: v4l-dvb-maintainer@linuxtv.org Subject: [patch -v3 09/22] ttusb: use simple_read_from_buffer() Content-Disposition: inline; filename=ttusb-use-simple-read-from-buffer.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Akinobu Mita Cc: v4l-dvb-maintainer@linuxtv.org --- drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) Index: 2.6-git/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c =================================================================== --- 2.6-git.orig/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ 2.6-git/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "dvb_frontend.h" #include "dmxdev.h" @@ -983,22 +984,9 @@ static int stc_open(struct inode *inode, } static ssize_t stc_read(struct file *file, char *buf, size_t count, - loff_t * offset) + loff_t *offset) { - int tc = count; - - if ((tc + *offset) > 8192) - tc = 8192 - *offset; - - if (tc < 0) - return 0; - - if (copy_to_user(buf, stc_firmware + *offset, tc)) - return -EFAULT; - - *offset += tc; - - return tc; + return simple_read_from_buffer(buf, count, offset, stc_firmware, 8192); } static int stc_release(struct inode *inode, struct file *file) --