diff options
| -rw-r--r-- | drivers/media/video/soc_camera.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index a22fcd0ff8b..21a8aa586da 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -517,8 +517,8 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv, mutex_lock(&icf->vb_vidq.vb_lock); - if (videobuf_queue_is_busy(&icf->vb_vidq)) { - dev_err(&icd->dev, "S_FMT denied: queue busy\n"); + if (icf->vb_vidq.bufs[0]) { + dev_err(&icd->dev, "S_FMT denied: queue initialised\n"); ret = -EBUSY; goto unlock; } @@ -768,6 +768,15 @@ static int soc_camera_s_crop(struct file *file, void *fh, /* Cropping is allowed during a running capture, guard consistency */ mutex_lock(&icf->vb_vidq.vb_lock); + /* Prohibit window size change with initialised buffers */ + if (icf->vb_vidq.bufs[0] && (rect.width != icd->rect_current.width || + rect.height != icd->rect_current.height)) { + dev_err(&icd->dev, + "S_CROP denied: queue initialised and sizes differ\n"); + ret = -EBUSY; + goto unlock; + } + if (rect.width > icd->rect_max.width) rect.width = icd->rect_max.width; @@ -792,6 +801,7 @@ static int soc_camera_s_crop(struct file *file, void *fh, if (!ret) icd->rect_current = rect; +unlock: mutex_unlock(&icf->vb_vidq.vb_lock); return ret; |