[PATCH] mtd: spinand: Constify struct nand_ecc_engine_ops

Miquel Raynal miquel.raynal at bootlin.com
Mon Oct 21 03:02:13 PDT 2024


On Fri, 2024-10-18 at 17:05:57 UTC, Christophe JAILLET wrote:
> 'struct nand_ecc_engine_ops' are not modified in these drivers.
> 
> Constifying this structure moves some data to a read-only section, so
> increases overall security, especially when the structure holds some
> function pointers.
> 
> Update the prototype of mxic_ecc_get_pipelined_ops() accordingly.
> 
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>   16709	   1374	     16	  18099	   46b3	drivers/mtd/nand/ecc-mxic.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>   16789	   1294	     16	  18099	   46b3	drivers/mtd/nand/ecc-mxic.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel



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