Re: [PATCH] xfs: Add missing braces around xfs_scrub_agfl_info initializer

From: Arnd Bergmann
Date: Thu Feb 01 2018 - 06:31:43 EST


On Thu, Feb 1, 2018 at 11:23 AM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
> With gcc-4.1.2:
>
> fs/xfs/scrub/agheader.c: In function âxfs_scrub_agflâ:
> fs/xfs/scrub/agheader.c:770: warning: missing braces around initializer
> fs/xfs/scrub/agheader.c:770: warning: (near initialization for âsai.oinfoâ)
>
> The first member of struct xfs_scrub_agfl_info is no longer an integral
> type, but a struct. Add the missing curly braces to fix this.

I suspect gcc-4.5 is affected as well, but not 4.6+

> --- a/fs/xfs/scrub/agheader.c
> +++ b/fs/xfs/scrub/agheader.c
> @@ -767,7 +767,7 @@ int
> xfs_scrub_agfl(
> struct xfs_scrub_context *sc)
> {
> - struct xfs_scrub_agfl_info sai = { 0 };
> + struct xfs_scrub_agfl_info sai = { { 0 } };
> struct xfs_agf *agf;

Looks ok to me, but

struct xfs_scrub_agfl_info sai = { };

might be slightly better in case the first member changes again.

Arnd