usb/gadget: Constify usb_gadget_get_string "table" argument

The table is never modified by the function. This allows us
to use it on a statically defined table that is marked const.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 847f423ad9b3..e5cd84a0f84a 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -763,7 +763,7 @@ struct usb_gadget_string_container {
 };
 
 /* put descriptor for string with that id into buf (buflen >= 256) */
-int usb_gadget_get_string(struct usb_gadget_strings *table, int id, u8 *buf);
+int usb_gadget_get_string(const struct usb_gadget_strings *table, int id, u8 *buf);
 
 /*-------------------------------------------------------------------------*/