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path: root/drivers/media/usb/uvc/uvc_ctrl.c
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Diffstat (limited to 'drivers/media/usb/uvc/uvc_ctrl.c')
-rw-r--r--drivers/media/usb/uvc/uvc_ctrl.c19
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 516a5b1..2bb7613 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) {
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