| Message ID | 525bad50008338d96fb71e724675061ffa07ff87.1623846327.git.mchehab+huawei@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Address some smatch warnings | expand |
Hi, It does not mean there is a error. As the comment, it just check if the csi is powered. On Wed, 16 Jun 2021 14:28:30 +0200 Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote: > As pointed by smatch, there's a missing return code: > > drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c:485 > sun6i_video_open() warn: missing error code 'ret' > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> > --- > drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c > b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c index > 3181d0781b61..07b2161392d2 100644 --- > a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c +++ > b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c @@ -481,8 > +481,10 @@ static int sun6i_video_open(struct file *file) goto > fh_release; > /* check if already powered */ > - if (!v4l2_fh_is_singular_file(file)) > + if (!v4l2_fh_is_singular_file(file)) { > + ret = -EBUSY; > goto unlock; > + } > > ret = sun6i_csi_set_power(video->csi, true); > if (ret < 0) Thanks
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c index 3181d0781b61..07b2161392d2 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c @@ -481,8 +481,10 @@ static int sun6i_video_open(struct file *file) goto fh_release; /* check if already powered */ - if (!v4l2_fh_is_singular_file(file)) + if (!v4l2_fh_is_singular_file(file)) { + ret = -EBUSY; goto unlock; + } ret = sun6i_csi_set_power(video->csi, true); if (ret < 0)
As pointed by smatch, there's a missing return code: drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c:485 sun6i_video_open() warn: missing error code 'ret' Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> --- drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)