From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758367Ab2IFP0E (ORCPT ); Thu, 6 Sep 2012 11:26:04 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:62287 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757839Ab2IFPYS (ORCPT ); Thu, 6 Sep 2012 11:24:18 -0400 From: Peter Senna Tschudin To: Mauro Carvalho Chehab Cc: kernel-janitors@vger.kernel.org, Julia.Lawall@lip6.fr, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/14] drivers/media/pci/cx25821/cx25821-video-upstream.c: fix error return code Date: Thu, 6 Sep 2012 17:23:56 +0200 Message-Id: <1346945041-26676-9-git-send-email-peter.senna@gmail.com> X-Mailer: git-send-email 1.7.11.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Senna Tschudin Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Peter Senna Tschudin --- drivers/media/pci/cx25821/cx25821-video-upstream.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c index 52c13e0..b41e57b 100644 --- a/drivers/media/pci/cx25821/cx25821-video-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c @@ -753,7 +753,6 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, { struct sram_channel *sram_ch; u32 tmp; - int retval = 0; int err = 0; int data_frame_size = 0; int risc_buffer_size = 0; @@ -796,15 +795,19 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->_filename = kmemdup(dev->input_filename, str_length + 1, GFP_KERNEL); - if (!dev->_filename) + if (!dev->_filename) { + err = -ENOENT; goto error; + } } else { str_length = strlen(dev->_defaultname); dev->_filename = kmemdup(dev->_defaultname, str_length + 1, GFP_KERNEL); - if (!dev->_filename) + if (!dev->_filename) { + err = -ENOENT; goto error; + } } /* Default if filename is empty string */ @@ -828,7 +831,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2; - retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, + err = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size, 0); /* setup fifo + format */ @@ -838,8 +841,8 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->upstream_databuf_size = data_frame_size * 2; /* Allocating buffers and prepare RISC program */ - retval = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size); - if (retval < 0) { + err = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size); + if (err < 0) { pr_err("%s: Failed to set up Video upstream buffers!\n", dev->name); goto error;