[PATCH 3/5] repair: handle memory allocation failure from blkmap_grow

[Alex Elder]

On Mon, 2011-10-10 at 12:08 +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> If blkmap_grow fails to allocate a new chunk of memory, it returns
> with a null blkmap. The sole caller of blkmap_grow does not check
> for this failure, and so will segfault if this error ever occurs.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>