Re: [PATCH] iio: core: Constify struct configfs_item_operations and configfs_group_operations

[Jonathan Cameron]

On Mon, 29 Dec 2025 12:27:43 +0100
Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:

> 'struct configfs_item_operations' and 'configfs_group_operations' are not
> modified in this driver.
> 
> Constifying these structures 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
>    5037	   1528	     64	   6629	   19e5	drivers/iio/industrialio-sw-device.o
>    5509	   1528	     64	   7101	   1bbd	drivers/iio/industrialio-sw-trigger.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>    5133	   1432	     64	   6629	   19e5	drivers/iio/industrialio-sw-device.o
>    5605	   1432	     64	   7101	   1bbd	drivers/iio/industrialio-sw-trigger.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Applied to the togreg branch of iio.git which I'll push out initially as testing
for 0-day to take a look at it.

Thanks,

Jonathan