diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_ctrl.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index f7061a5ef1d2..7879d306f1fc 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1061,7 +1061,7 @@ int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping); if (ctrl == NULL) { - ret = -EINVAL; + ret = -ENOENT; goto done; } @@ -1099,12 +1099,13 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain, return -ERESTARTSYS; ctrl = uvc_find_control(chain, query_menu->id, &mapping); - if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) { - ret = -EINVAL; + if (ctrl == NULL) { + ret = -ENOENT; goto done; } - if (query_menu->index >= mapping->menu_count) { + if (mapping->v4l2_type != V4L2_CTRL_TYPE_MENU || + query_menu->index >= mapping->menu_count) { ret = -EINVAL; goto done; } @@ -1263,7 +1264,7 @@ static int uvc_ctrl_add_event(struct v4l2_subscribed_event *sev, unsigned elems) ctrl = uvc_find_control(handle->chain, sev->id, &mapping); if (ctrl == NULL) { - ret = -EINVAL; + ret = -ENOENT; goto done; } @@ -1414,7 +1415,7 @@ int uvc_ctrl_get(struct uvc_video_chain *chain, ctrl = uvc_find_control(chain, xctrl->id, &mapping); if (ctrl == NULL) - return -EINVAL; + return -ENOENT; return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value); } @@ -1431,7 +1432,9 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, int ret; ctrl = uvc_find_control(chain, xctrl->id, &mapping); - if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0) + if (ctrl == NULL) + return -ENOENT; + if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR)) return -EINVAL; /* Clamp out of range values. */ |