Messages in this thread Patch in this message | | | From | Julia Lawall <> | Subject | [PATCH 3/16] [media] radio: fix error return code | Date | Sun, 5 Apr 2015 14:06:24 +0200 |
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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;
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