On Fri, 22 Apr 2005, Paul Larson wrote:
> Here''s a couple more gcc4 cleanups.
> Signed-off-by: Paul Larson <pl@us.ibm.com>
>
> --- xen-unstable/xen/common/grant_table.c2005-04-21 22:14:31.000000000
> -0500
> +++ xen-unstable-fix/xen/common/grant_table.c2005-04-22
> 14:54:34.000000000 -0500@@ -437,7 +437,7 @@ gnttab_map_grant_ref(
> gnttab_map_grant_ref_t *uop, unsigned int count)
> {
> int i, flush = 0;
> - unsigned long va;
> + unsigned long va=0;
>
> for ( i = 0; i < count; i++ )
> if ( __gnttab_map_grant_ref(&uop[i], &va) == 0 )
> @@ -633,7 +633,7 @@ gnttab_unmap_grant_ref(
> gnttab_unmap_grant_ref_t *uop, unsigned int count)
> {
> int i, flush = 0;
> - unsigned long va;
> + unsigned long va=0;
>
> for ( i = 0; i < count; i++ )
> if ( __gnttab_unmap_grant_ref(&uop[i], &va) == 0 )
> --
Actually, there''s a window here for gcc to grow an extension.
An attribute on the second arg of gnttab_unmap_grant_ref, that says it
doesn''t
read it, but instead writes a value to it, would allow for these unitialized
warnings to not appear.
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