net/9p/trans_usbg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
'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>
---
net/9p/trans_usbg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c
index 1ce70338999c..419cda13a7b5 100644
--- 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,
};
--
2.54.0
Christophe JAILLET wrote on Sat, May 16, 2026 at 11:08:28AM +0200: > '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> Thanks, this makes sense -- I've picked it up in the 9p tree -- Dominique
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