Re: [PATCH net-next] net/9p/usbg: Constify struct configfs_item_operations

From: Dominique Martinet

Date: Tue May 19 2026 - 08:05:05 EST


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@xxxxxxxxxx>

Thanks, this makes sense -- I've picked it up in the 9p tree

--
Dominique