net/9p/usbg: Constify struct configfs_item_operations

'struct configfs_item_operations' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  25167	   9336	    256	  34759	   87c7	net/9p/trans_usbg.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  25231	   9272	    256	  34759	   87c7	net/9p/trans_usbg.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Message-ID: <2478bdabd7d169a686879c049f11dc307b5debbd.1778922467.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>

diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c
index 1ce70338999c8c712ba298efa88c69e6372ac40f..419cda13a7b568893db47add8a4091067208f3bd 100644 (file)
--- a/net/9p/trans_usbg.c
+++ b/net/9p/trans_usbg.c
@@ -804,7 +804,7 @@ static void usb9pfs_attr_release(struct config_item *item)
        usb_put_function_instance(&usb9pfs_opts->func_inst);
 }
 
-static struct configfs_item_operations usb9pfs_item_ops = {
+static const struct configfs_item_operations usb9pfs_item_ops = {
        .release                = usb9pfs_attr_release,
 };