On 18 April 2014 10:05, Andi Kleen <a...@firstfloor.org> wrote:
> From: Andi Kleen <a...@linux.intel.com>
>
> Apparently someone's C library declares strtoul with warn_unused_result.
> Cast to void to avoid the warning. Error handling is not useful here.
I just did a x86_64 compilation without a CROSS_COMPILE= option
(My .config also had a empty string) and so gcc must be used for it?
$ gcc --version
gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> Cc: Viresh Kumar <viresh.ku...@linaro.org>
> Signed-off-by: Andi Kleen <a...@linux.intel.com>
> ---
> scripts/mod/modpost.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 0663556..b9cf439 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -1707,7 +1707,7 @@ static char *remove_dot(char *s)
> int n = strcspn(s, ".");
>
> if (n > 0 && s[n] != 0) {
> - strtoul(s + n + 1, &end, 10);
> + (void)strtoul(s + n + 1, &end, 10);
I tried this earlier before reporting and it still had the same problem :(
I tried it again just to cross check and still getting this:
scripts/mod/modpost.c: In function ‘remove_dot’:
scripts/mod/modpost.c:1710:3: warning: ignoring return value of
‘strtoul’, declared with attribute warn_unused_result
[-Wunused-result]
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