[PATCH] fbdev: Constify struct sbus_mmap_map

Helge Deller deller at gmx.de
Mon Oct 14 20:32:13 UTC 2024


On 10/13/24 13:48, Christophe JAILLET wrote:
> 'struct sbus_mmap_map' are not modified in these drivers.
>
> Constifying this structure moves some data to a read-only section, so
> increases overall security.
>
> Update sbusfb_mmap_helper() accordingly.
>
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
>     text	   data	    bss	    dec	    hex	filename
>     2452	    536	     16	   3004	    bbc	drivers/video/fbdev/bw2.o
>
> After:
> =====
>     text	   data	    bss	    dec	    hex	filename
>     2500	    483	     16	   2999	    bb7	drivers/video/fbdev/bw2.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>
> ---
> Compile tested only with a cross compiler for sparc.
> ---
>   drivers/video/fbdev/bw2.c     | 2 +-
>   drivers/video/fbdev/cg14.c    | 2 +-
>   drivers/video/fbdev/cg3.c     | 2 +-
>   drivers/video/fbdev/cg6.c     | 2 +-
>   drivers/video/fbdev/ffb.c     | 2 +-
>   drivers/video/fbdev/leo.c     | 2 +-
>   drivers/video/fbdev/p9100.c   | 2 +-
>   drivers/video/fbdev/sbuslib.c | 2 +-
>   drivers/video/fbdev/sbuslib.h | 2 +-
>   drivers/video/fbdev/tcx.c     | 2 +-
>   10 files changed, 10 insertions(+), 10 deletions(-)

applied.

Thanks!
Helge



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