Re: Encountered a Null Pointer Problem on the SCSI Layer

[Pete Zaitcev]

> From: Jesper Juhl <[e-mail]>
> Date: Tue, 29 Jan 2002 00:57:02 +0100

> > -       if (!dpnt)
> > +       if (!dpnt->device)
> >                 return NULL;    /* No such device */
> 
> Maybe I don't understand this right, but shouldn't that be 
> 
> if (!dpnt || !dpnt->device)
>         return NULL;    /* No such device */

In both cases, the code is like this:

  dpnt = &rscsi_disks[dev_nr];
  if (!dpnt->device)
    return NULL;

So, it is unlikely that dpnt would be zero. It could be if rscsi_disks
were NULL, and in such case whole logics is toast.

-- Pete