From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754877Ab2IQIFU (ORCPT ); Mon, 17 Sep 2012 04:05:20 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:55405 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754516Ab2IQIFO (ORCPT ); Mon, 17 Sep 2012 04:05:14 -0400 From: Peter Senna Tschudin To: mchehab@infradead.org Cc: leonidsbox@gmail.com, peter.senna@gmail.com, thomas@m3y3r.de, hans.verkuil@cisco.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] cx25821: Cleanup filename assignment code Date: Mon, 17 Sep 2012 10:04:58 +0200 Message-Id: <1347869098-2236-3-git-send-email-peter.senna@gmail.com> X-Mailer: git-send-email 1.7.11.4 In-Reply-To: <1347869098-2236-1-git-send-email-peter.senna@gmail.com> References: <1347869098-2236-1-git-send-email-peter.senna@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I'm pasting the original code and my proposal on the commit message for make it easy to compare the two versions. Line 62 of cx25821-audio-upstream.h contains: char *_defaultAudioName = "/root/audioGOOD.wav"; Original code after replace kmemdup for kstrdup, and after fix return error code: if (dev->input_audiofilename) { dev->_audiofilename = kstrdup(dev->input_audiofilename, GFP_KERNEL); if (!dev->_audiofilename) { err = -ENOMEM; goto error; } /* Default if filename is empty string */ if (strcmp(dev->input_audiofilename, "") == 0) dev->_audiofilename = "/root/audioGOOD.wav"; } else { dev->_audiofilename = kstrdup(_defaultAudioName, GFP_KERNEL); if (!dev->_audiofilename) { err = -ENOMEM; goto error; } } Code proposed in this patch: if ((dev->input_audiofilename) && (strcmp(dev->input_audiofilename, "") != 0)) dev->_audiofilename = kstrdup(dev->input_audiofilename, GFP_KERNEL); else dev->_audiofilename = kstrdup(_defaultAudioName, GFP_KERNEL); if (!dev->_audiofilename) { err = -ENOMEM; goto error; } Signed-off-by: Peter Senna Tschudin --- drivers/media/pci/cx25821/cx25821-audio-upstream.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index 1cc797e..83316a8 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -728,26 +728,17 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->_audio_lines_count = LINES_PER_AUDIO_BUFFER; _line_size = AUDIO_LINE_SIZE; - if (dev->input_audiofilename) { + if ((dev->input_audiofilename) && + (strcmp(dev->input_audiofilename, "") != 0)) dev->_audiofilename = kstrdup(dev->input_audiofilename, GFP_KERNEL); - - if (!dev->_audiofilename) { - err = -ENOMEM; - goto error; - } - - /* Default if filename is empty string */ - if (strcmp(dev->input_audiofilename, "") == 0) - dev->_audiofilename = "/root/audioGOOD.wav"; - } else { + else dev->_audiofilename = kstrdup(_defaultAudioName, GFP_KERNEL); - if (!dev->_audiofilename) { - err = -ENOMEM; - goto error; - } + if (!dev->_audiofilename) { + err = -ENOMEM; + goto error; } cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, -- 1.7.11.4