| Message ID | f27c3713a56dc8dbe90c110349396fb70c6ee773.1696586632.git.hverkuil-cisco@xs4all.nl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: fix smatch warnings | expand |
Hi, On 10/6/23 12:08, Hans Verkuil wrote: > The subdev .s_stream() operation shall not be called to start streaming > on an already started subdev, or stop streaming on a stopped subdev. > Remove the check that guards against that condition. > > Also fixes a smatch warning: > > drivers/staging/media/atomisp/i2c/atomisp-gc0310.c:446 gc0310_s_stream() warn: missing error code 'ret' > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> > CC: Hans de Goede <hdegoede@redhat.com> Thanks, patch looks good to me: Reviewed-by: Hans de Goede <hdegoede@redhat.com> Regards, Hans > --- > drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c > index c438accb0472..58cddf11c9ab 100644 > --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c > +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c > @@ -441,11 +441,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) > dev_dbg(&client->dev, "%s S enable=%d\n", __func__, enable); > mutex_lock(&dev->input_lock); > > - if (dev->is_streaming == enable) { > - dev_warn(&client->dev, "stream already %s\n", enable ? "started" : "stopped"); > - goto error_unlock; > - } > - > if (enable) { > ret = pm_runtime_get_sync(&client->dev); > if (ret < 0) > @@ -497,7 +492,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) > error_power_down: > pm_runtime_put(&client->dev); > dev->is_streaming = false; > -error_unlock: > mutex_unlock(&dev->input_lock); > return ret; > }
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c index c438accb0472..58cddf11c9ab 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c @@ -441,11 +441,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) dev_dbg(&client->dev, "%s S enable=%d\n", __func__, enable); mutex_lock(&dev->input_lock); - if (dev->is_streaming == enable) { - dev_warn(&client->dev, "stream already %s\n", enable ? "started" : "stopped"); - goto error_unlock; - } - if (enable) { ret = pm_runtime_get_sync(&client->dev); if (ret < 0) @@ -497,7 +492,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) error_power_down: pm_runtime_put(&client->dev); dev->is_streaming = false; -error_unlock: mutex_unlock(&dev->input_lock); return ret; }
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Also fixes a smatch warning: drivers/staging/media/atomisp/i2c/atomisp-gc0310.c:446 gc0310_s_stream() warn: missing error code 'ret' Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> CC: Hans de Goede <hdegoede@redhat.com> --- drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 6 ------ 1 file changed, 6 deletions(-)