Re: [PATCH] NFC: nci: uart: Constify struct tty_ldisc_ops

David Heidelberg <[email protected]> Tue, 2 Jun 2026 12:14:19 +0200

Newsgroups	org.kernel.vger.kernel-janitors,dev.linux.lists.oe-linux-nfc,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<[email protected]>

On 10/05/2026 22:12, Christophe JAILLET wrote:
> 'struct tty_ldisc_ops' 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
>    11454	   3352	    256	  15062	   3ad6	net/nfc/nci/uart.o
> 
> After:
> =====
>     text	   data	    bss	    dec	    hex	filename
>    11646	   3160	    256	  15062	   3ad6	net/nfc/nci/uart.o
> 
> Signed-off-by: Christophe JAILLET <[email protected]>
> ---
> Compile tested only.
> ---
>   net/nfc/nci/uart.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

Applied, thank you!

David Heidelberg