Re: [PATCH] moduleparam: Resolve missing-field-initializer warning

From: Rusty Russell
Date: Sun Aug 31 2014 - 21:31:35 EST


Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx> writes:
> From: Mark Rustad <mark.d.rustad@xxxxxxxxx>
>
> Resolve a missing-field-initializer warning, that is produced
> by every reference to module_param_call, by using designated
> initialization for the first field. That is enough to silence
> the complaint.
>
> Signed-off-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
> ---
> include/linux/moduleparam.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Strange, I haven't seen this warning. Compiler version? And it's good
to quote the error message, so people can google it.

Cheers,
Rusty.

> diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
> index 494f99e..d99a9e9 100644
> --- a/include/linux/moduleparam.h
> +++ b/include/linux/moduleparam.h
> @@ -196,7 +196,7 @@ struct kparam_array
> /* Obsolete - use module_param_cb() */
> #define module_param_call(name, set, get, arg, perm) \
> static struct kernel_param_ops __param_ops_##name = \
> - { 0, (void *)set, (void *)get }; \
> + { .flags = 0, (void *)set, (void *)get }; \
> __module_param_call(MODULE_PARAM_PREFIX, \
> name, &__param_ops_##name, arg, \
> (perm) + sizeof(__check_old_set_param(set))*0, -1)
> --
> 1.9.3
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