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Re: [linux-lvm] Patch for vg_status_with_pv_and_lv.c



Dale,

thanks for the patch.
Soon to be in CVS...

Regards,
Heinz    -- The LVM Guy --

On Wed, May 01, 2002 at 12:22:13PM -0700, Stephenson, Dale wrote:
> I'm not sure if I sent this patch out when I generated it (I'm guessing not,
> since it doesn't seem to be different in CVS), so I'm sending it out now.
> 
> This patch solves a segfault in lvscan.  When there was a problem reading
> the lv_list (lv_status_all_lv_of_vg() returned an error) in
> vg_status_with_pv_and_lv.c, the routine would still call
> vg_setup_pointers_for_snapshots.  Since the error had prevented setting up
> the vg->lv[] array, this didn't work.  I just moved
> vg_setup_pointers_for_snapshot inside the no error case.  No one uses the vg
> if an error is returned, so it doesn't matter that it isn't setup for
> snapshots :->.
> 
> Dale J. Stephenson
> steph snapserver com
> 
> --- 1.0.3/tools/lib/vg_status_with_pv_and_lv.c.orig	Thu Apr 11 10:45:18
> 2002
> +++ 1.0.3/tools/lib/vg_status_with_pv_and_lv.c	Thu Apr 11 10:45:41 2002
> @@ -57,10 +57,10 @@
>        for ( p = 0; pv[p] != NULL; p++) (*vg)->pv[p] = pv[p];
>        for ( ; p < (*vg)->pv_max; p++) (*vg)->pv[p] = NULL;
>        for ( l = 0; l < (*vg)->lv_max; l++) (*vg)->lv[l] = lv[l];
> -   }
>  
> -   /* Set up core pointers for snapshots */
> -   vg_setup_pointers_for_snapshots ( *vg);
> +      /* Set up core pointers for snapshots */
> +      vg_setup_pointers_for_snapshots ( *vg);
> +   }
>  
>     debug_leave ( "vg_status_with_pv_and_lv -- LEAVING with ret: %d\n",
> ret);
>     return ret;
> 
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Heinz Mauelshagen                                 Sistina Software Inc.
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