Re: [PATCH 1/1] Fonts: font_acorn_8x8: Replace discarded const qualifier

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On Fri, Oct 30, 2020 at 7:18 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> Commit 09e5b3fd5672 ("Fonts: Support FONT_EXTRA_WORDS macros for
> built-in fonts") introduced the following error when building
> rpc_defconfig (only this build appears to be affected):
>
>  `acorndata_8x8' referenced in section `.text' of arch/arm/boot/compressed/ll_char_wr.o:
>     defined in discarded section `.data' of arch/arm/boot/compressed/font.o
>  `acorndata_8x8' referenced in section `.data.rel.ro' of arch/arm/boot/compressed/font.o:
>     defined in discarded section `.data' of arch/arm/boot/compressed/font.o
>  make[3]: *** [/scratch/linux/arch/arm/boot/compressed/Makefile:191: arch/arm/boot/compressed/vmlinux] Error 1
>  make[2]: *** [/scratch/linux/arch/arm/boot/Makefile:61: arch/arm/boot/compressed/vmlinux] Error 2
>  make[1]: *** [/scratch/linux/arch/arm/Makefile:317: zImage] Error 2
>
> The .data section is discarded at link time.  Reinstating
> acorndata_8x8 as const ensures it is still available after linking.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

Shouldn't we add the const to all of them, for consistency?
-Daniel

> ---
>  lib/fonts/font_acorn_8x8.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/fonts/font_acorn_8x8.c b/lib/fonts/font_acorn_8x8.c
> index 069b3e80c4344..fb395f0d40317 100644
> --- a/lib/fonts/font_acorn_8x8.c
> +++ b/lib/fonts/font_acorn_8x8.c
> @@ -5,7 +5,7 @@
>
>  #define FONTDATAMAX 2048
>
> -static struct font_data acorndata_8x8 = {
> +static const struct font_data acorndata_8x8 = {
>  { 0, 0, FONTDATAMAX, 0 }, {
>  /* 00 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ^@ */
>  /* 01 */  0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e, /* ^A */
> --
> 2.25.1
>


-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch



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