[PATCH] media: platform: sunxi: sun6i-csi: fix error return code of sun6i_video_start_streaming()

[Chen-Yu Tsai]

On Sat, Mar 6, 2021 at 10:15 PM Jia-Ju Bai <baijiaju1990 at gmail.com> wrote:
>
> When sun6i_video_remote_subdev() returns NULL to subdev, no error return
> code of sun6i_video_start_streaming() is assigned.
> To fix this bug, ret is assigned with -EINVAL in this case.
>
> Reported-by: TOTE Robot <oslab at tsinghua.edu.cn>
> Signed-off-by: Jia-Ju Bai <baijiaju1990 at gmail.com>

This should have the tag:

Fixes: 5cc7522d8965 ("media: sun6i: Add support for Allwinner CSI V3s")

Please try to add them when fixing bugs. And this should also be tagged
for stable, so

Cc: <stable at kernel.org>

Otherwise,

Acked-by: Chen-Yu Tsai <wens at csie.org>