diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_ctrl.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 516a5b188ea..2bb7613ddeb 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 = -ENOENT; + ret = -EINVAL; goto done; } @@ -1099,13 +1099,12 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain, return -ERESTARTSYS; ctrl = uvc_find_control(chain, query_menu->id, &mapping); - if (ctrl == NULL) { - ret = -ENOENT; + if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) { + ret = -EINVAL; goto done; } - if (mapping->v4l2_type != V4L2_CTRL_TYPE_MENU || - query_menu->index >= mapping->menu_count) { + if (query_menu->index >= mapping->menu_count) { ret = -EINVAL; goto done; } @@ -1264,7 +1263,7 @@ 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 = -ENOENT; + ret = -EINVAL; goto done; } @@ -1415,7 +1414,7 @@ int uvc_ctrl_get(struct uvc_video_chain *chain, ctrl = uvc_find_control(chain, xctrl->id, &mapping); if (ctrl == NULL) - return -ENOENT; + return -EINVAL; return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value); } @@ -1432,10 +1431,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, int ret; ctrl = uvc_find_control(chain, xctrl->id, &mapping); - if (ctrl == NULL) - return -ENOENT; - if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR)) - return -EACCES; + if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0) + return -EINVAL; /* Clamp out of range values. */ switch (mapping->v4l2_type) { |