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path: root/drivers/media/usb/uvc/uvc_v4l2.c
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Diffstat (limited to 'drivers/media/usb/uvc/uvc_v4l2.c')
-rw-r--r--drivers/media/usb/uvc/uvc_v4l2.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 05eed4be25df..a7e12fd20adc 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -70,14 +70,9 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
}
size = xmap->menu_count * sizeof(*map->menu_info);
- map->menu_info = kmalloc(size, GFP_KERNEL);
- if (map->menu_info == NULL) {
- ret = -ENOMEM;
- goto done;
- }
-
- if (copy_from_user(map->menu_info, xmap->menu_info, size)) {
- ret = -EFAULT;
+ map->menu_info = memdup_user(xmap->menu_info, size);
+ if (IS_ERR(map->menu_info)) {
+ ret = PTR_ERR(map->menu_info);
goto done;
}