linux-kernel - Re: [GIT PULL] SCSI fixes for 4.15-rc3

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Date:   Tue, 12 Dec 2017 09:35:12 -0800
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     Johannes Thumshirn <jthumshirn@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] SCSI fixes for 4.15-rc3

On Tue, 2017-12-12 at 09:32 -0800, Linus Torvalds wrote:
> On Tue, Dec 12, 2017 at 9:22 AM, Martin K. Petersen
> <martin.petersen@...cle.com> wrote:
> > 
> > 
> > Arnd and Johannes fixed this up right away:
> 
> The commit you point to _is_ the probnlem. It does:
> 
>     struct bfad_im_port_s *im_port = shost->hostdata[0];
> 
> which is utter bullshit crap.
> 
> Notice? It's assigning a pointer (im_port), from an integer value
> ("hostdata[0]" is "unsigned long").
> 
> The code is garbage.

he means this one:

https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git/commit/?h=fixes&id=48d83282db077f93b2cf40de120f4d6f29eb293b

Which properly encapsulates the reference in a function which does the correct conversions.

James