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usb/gadget: Constify usb_gadget_get_string "table" argument

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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>
This commit is contained in:
Benjamin Herrenschmidt 2018-05-04 06:59:42 +10:00 committed by Felipe Balbi
parent 5d1332a8ea
commit 655016dc2d
2 changed files with 2 additions and 2 deletions
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2
drivers/usb/gadget/usbstring.c
View File

@ -33,7 +33,7 @@
* characters (which are also widely used in C strings). * characters (which are also widely used in C strings).
*/ */
int int
usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf) usb_gadget_get_string (const struct usb_gadget_strings *table, int id, u8 *buf)
{ {
struct usb_string *s; struct usb_string *s;
int len; int len;

2
include/linux/usb/gadget.h
View File

@ -763,7 +763,7 @@ struct usb_gadget_string_container {
}; };
/* put descriptor for string with that id into buf (buflen >= 256) */ /* 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);
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/