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path: root/drivers/usb/gadget/configfs.c
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Diffstat (limited to 'drivers/usb/gadget/configfs.c')
-rw-r--r--drivers/usb/gadget/configfs.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 6a9aa4413d64..9dc06a4e1b30 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -13,8 +13,6 @@
int check_user_usb_string(const char *name,
struct usb_gadget_strings *stringtab_dev)
{
- unsigned primary_lang;
- unsigned sub_lang;
u16 num;
int ret;
@@ -22,17 +20,7 @@ int check_user_usb_string(const char *name,
if (ret)
return ret;
- primary_lang = num & 0x3ff;
- sub_lang = num >> 10;
-
- /* simple sanity check for valid langid */
- switch (primary_lang) {
- case 0:
- case 0x62 ... 0xfe:
- case 0x100 ... 0x3ff:
- return -EINVAL;
- }
- if (!sub_lang)
+ if (!usb_validate_langid(num))
return -EINVAL;
stringtab_dev->language = num;