On Thu, Feb 01, 2018 at 12:31:36PM +0100, Arnd Bergmann wrote:
> 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 ‘xfs_scrub_agfl’:
> > fs/xfs/scrub/agheader.c:770: warning: missing braces around initializer
> > fs/xfs/scrub/agheader.c:770: warning: (near initialization for ‘sai.oinfo’)
> >
> > 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.
Frankly I'd rather see it changed to memset(&sai, 0, sizeof(sai)); and
stop having to field all these gcc warnings that vary depending on
compiler version...
--D
>
> Arnd
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