2018-07-06 5:55 GMT+09:00 Luis Araneda :
> cherry-pick kernel commit 2ae89c7 (2018-06-05)
> to avoid warnings when compiling with GCC 8.1
>
> In file included from scripts/kconfig/zconf.tab.c:2486:
> scripts/kconfig/confdata.c: In function ‘conf_write’:
> scripts/kconfig/confdata.c:771:22: warning: ‘%s’ directive writing likely 7
> or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
> sprintf(newname, "%s%s", dirname, basename);
> ^~
> scripts/kconfig/confdata.c:771:19: note: assuming directive output of 7 bytes
> sprintf(newname, "%s%s", dirname, basename);
>^~
> scripts/kconfig/confdata.c:771:2: note: ‘sprintf’ output 1 or more bytes
> (assuming 4104) into a destination of size 4097
> sprintf(newname, "%s%s", dirname, basename);
> ^~~
> scripts/kconfig/confdata.c:774:23: warning: ‘.tmpconfig.’ directive writing
> 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
>sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
>^~~
> scripts/kconfig/confdata.c:774:3: note: ‘sprintf’ output between 13 and 4119
> bytes into a destination of size 4097
>sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
>^~~
>
> Signed-off-by: Luis Araneda
> ---
Applied to u-boot-uniphier.
> scripts/kconfig/confdata.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
> index e4cbb87d76..a04bb26304 100644
> --- a/scripts/kconfig/confdata.c
> +++ b/scripts/kconfig/confdata.c
> @@ -743,7 +743,7 @@ int conf_write(const char *name)
> struct menu *menu;
> const char *basename;
> const char *str;
> - char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
> + char dirname[PATH_MAX+1], tmpname[PATH_MAX+22], newname[PATH_MAX+8];
> char *env;
>
> dirname[0] = 0;
> --
> 2.18.0
>
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--
Best Regards
Masahiro Yamada
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