lkml.org 
[lkml]   [2015]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/16] [media] radio: fix error return code
Date
Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
drivers/media/radio/radio-timb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
index e6b55ed..04baafe 100644
--- a/drivers/media/radio/radio-timb.c
+++ b/drivers/media/radio/radio-timb.c
@@ -138,8 +138,10 @@ static int timbradio_probe(struct platform_device *pdev)
i2c_get_adapter(pdata->i2c_adapter), pdata->tuner, NULL);
tr->sd_dsp = v4l2_i2c_new_subdev_board(&tr->v4l2_dev,
i2c_get_adapter(pdata->i2c_adapter), pdata->dsp, NULL);
- if (tr->sd_tuner == NULL || tr->sd_dsp == NULL)
+ if (tr->sd_tuner == NULL || tr->sd_dsp == NULL) {
+ err = -ENODEV;
goto err_video_req;
+ }

tr->v4l2_dev.ctrl_handler = tr->sd_dsp->ctrl_handler;



\
 
 \ /
  Last update: 2015-04-05 14:21    [W:0.097 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site