From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Senna Tschudin Date: Thu, 06 Sep 2012 15:24:01 +0000 Subject: [PATCH 14/14] drivers/media/usb/gspca/cpia1.c: fix error return code Message-Id: <1346945041-26676-14-git-send-email-peter.senna@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Hans de Goede Cc: kernel-janitors@vger.kernel.org, Julia.Lawall@lip6.fr, Mauro Carvalho Chehab , linux-media@vger.kernel.org, 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/usb/gspca/cpia1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/gspca/cpia1.c b/drivers/media/usb/gspca/cpia1.c index 2499a88..b3ba47d 100644 --- a/drivers/media/usb/gspca/cpia1.c +++ b/drivers/media/usb/gspca/cpia1.c @@ -751,7 +751,7 @@ static int goto_high_power(struct gspca_dev *gspca_dev) if (signal_pending(current)) return -EINTR; - do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); + ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); if (ret) return ret;