diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 8e056046bc20..f2ee8c6b0d8d 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -607,10 +607,8 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_get(chain, &xctrl); uvc_ctrl_rollback(handle); - if (ret < 0) - return ret == -ENOENT ? -EINVAL : ret; - - ctrl->value = xctrl.value; + if (ret >= 0) + ctrl->value = xctrl.value; break; } @@ -634,7 +632,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_set(chain, &xctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - return ret == -ENOENT ? -EINVAL : ret; + return ret; } ret = uvc_ctrl_commit(handle, &xctrl, 1); if (ret == 0) @@ -661,7 +659,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) uvc_ctrl_rollback(handle); ctrls->error_idx = ret == -ENOENT ? ctrls->count : i; - return ret == -ENOENT ? -EINVAL : ret; + return ret; } } ctrls->error_idx = 0; @@ -691,7 +689,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ctrls->error_idx = (ret == -ENOENT && cmd == VIDIOC_S_EXT_CTRLS) ? ctrls->count : i; - return ret == -ENOENT ? -EINVAL : ret; + return ret; } } |