* [PATCH] media: staging/imx: Missing assignment in imx_media_capture_device_register()
@ 2020-02-11 7:35 Dan Carpenter
2020-02-11 18:10 ` Steve Longerbeam
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2020-02-11 7:35 UTC (permalink / raw)
To: Steve Longerbeam
Cc: Philipp Zabel, Mauro Carvalho Chehab, Greg Kroah-Hartman,
Shawn Guo, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, Hans Verkuil, linux-media, kernel-janitors
There was supposed to be a "ret = " assignment here, otherwise the
error handling on the next line won't work.
Fixes: 64b5a49df486 ("[media] media: imx: Add Capture Device Interface")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Not tested. Sometimes in these situations the function could be
returning something bogus but no one knew because the assignment wasn't
there. So it's best to test these.
drivers/staging/media/imx/imx-media-capture.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index 7712e7be8625..df0bf680721b 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -778,7 +778,7 @@ int imx_media_capture_device_register(struct imx_media_video_dev *vdev)
/* setup default format */
fmt_src.pad = priv->src_sd_pad;
fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
+ ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
if (ret) {
v4l2_err(sd, "failed to get src_sd format\n");
goto unreg;
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] media: staging/imx: Missing assignment in imx_media_capture_device_register()
2020-02-11 7:35 [PATCH] media: staging/imx: Missing assignment in imx_media_capture_device_register() Dan Carpenter
@ 2020-02-11 18:10 ` Steve Longerbeam
0 siblings, 0 replies; 2+ messages in thread
From: Steve Longerbeam @ 2020-02-11 18:10 UTC (permalink / raw)
To: Dan Carpenter
Cc: Philipp Zabel, Mauro Carvalho Chehab, Greg Kroah-Hartman,
Shawn Guo, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, Hans Verkuil, linux-media, kernel-janitors
Thanks for catching. Tested on a imx6 sabreauto and it's fine.
On 2/10/20 11:35 PM, Dan Carpenter wrote:
> There was supposed to be a "ret = " assignment here, otherwise the
> error handling on the next line won't work.
>
> Fixes: 64b5a49df486 ("[media] media: imx: Add Capture Device Interface")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Steve Longerbeam <slongerbeam@gmail.com>
> ---
> Not tested. Sometimes in these situations the function could be
> returning something bogus but no one knew because the assignment wasn't
> there. So it's best to test these.
>
> drivers/staging/media/imx/imx-media-capture.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
> index 7712e7be8625..df0bf680721b 100644
> --- a/drivers/staging/media/imx/imx-media-capture.c
> +++ b/drivers/staging/media/imx/imx-media-capture.c
> @@ -778,7 +778,7 @@ int imx_media_capture_device_register(struct imx_media_video_dev *vdev)
> /* setup default format */
> fmt_src.pad = priv->src_sd_pad;
> fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE;
> - v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
> + ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
> if (ret) {
> v4l2_err(sd, "failed to get src_sd format\n");
> goto unreg;
^ permalink raw reply [flat|nested] 2+ messages in thread
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