Re: [dm-devel] [PATCH 08/15] dm mpath: merge do_end_io_bio into multipath_end_io_bio

[Christoph Hellwig <hch@xxxxxx>]

On Mon, May 22, 2017 at 08:51:20PM +0200, Martin Wilck wrote:
> >  
> > -	if (!error)
> > -		return 0;	/* I/O complete */
> > +	BUG_ON(!mpio);
> 
> You dereferenced mpio already above.

Indeed.  I removed the BUG_ON for the next version.