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| author | Tao Ren <rentao.bupt@gmail.com> | 2020-03-15 22:16:28 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-05-05 10:58:51 +0300 |
| commit | 17309a6a43561bd7f4d4b51d7987225eb2b13d05 (patch) | |
| tree | ac43215c4142fe3e783955d1af712f340fddf4c0 /include/linux/usb/gadget.h | |
| parent | 5cc0710f23689455d40d590ebbcbcd21b0d84c77 (diff) | |
| download | linux-17309a6a43561bd7f4d4b51d7987225eb2b13d05.tar.xz | |
usb: gadget: add "usb_validate_langid" function
The USB LANGID validation code in "check_user_usb_string" function is
moved to "usb_validate_langid" function which can be used by other usb
gadget drivers.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 9411c08a5c7e..e959c09a97c9 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -773,6 +773,9 @@ struct usb_gadget_string_container { /* put descriptor for string with that id into buf (buflen >= 256) */ int usb_gadget_get_string(const struct usb_gadget_strings *table, int id, u8 *buf); +/* check if the given language identifier is valid */ +bool usb_validate_langid(u16 langid); + /*-------------------------------------------------------------------------*/ /* utility to simplify managing config descriptors */ |