Re: sparse segfault in kernel -mm tree

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On Tue, 6 Mar 2007 19:12:53 -0800 Christopher Li wrote:

> It seems that you are missing this change:
> 
> user:        Christopher Li <sparse@xxxxxxxxxxx>
> date:        Thu Feb 22 18:28:23 2007 -0800
> summary:     Fix the segfault when initializer has unknown symbol
> 
> diff -r 9c425042a094 -r d22e36f6c600 expand.c
> --- a/expand.c  Wed Feb 21 14:05:52 2007 -0800
> +++ b/expand.c  Thu Feb 22 18:28:23 2007 -0800
> @@ -872,7 +872,7 @@ static void verify_nonoverlapping(struct
>         struct expression *b;
> 
>         FOR_EACH_PTR(*list, b) {
> -               if (a && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) {
> +               if (a && a->ctype && a->ctype->bit_size &&
> bit_offset(a) == bit_offset(b)) {
>                         sparse_error(a->pos, "Initializer entry defined twice");
>                         info(b->pos, "  also defined here");
>                         return;
> 
> Many be the snapshot script need a restart again?

Hi,
OK, I hope that's it.  I'll check it out soon.
If that doesn't fix it, I'll post the .i file.

Thanks.

> Chris
> 
> On 3/6/07, Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote:
> > On Tue, 6 Mar 2007 14:28:24 -0800 Christopher Li wrote:
> > 875                     if (a && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) {
> > (gdb) bt
> > #0  0x000000000040fd63 in expand_expression (expr=<value optimized out>)



---
~Randy
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