linux-kernel - Re: [PATCH] SCSI IOCTL: Check for device deletion [was Re: __elv_add

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <BANLkTimZi6rPSA-1OX+ZAh3135SMpDcHKg@mail.gmail.com>
Date:	Wed, 25 May 2011 11:55:57 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Parag Warudkar <parag.lkml@...il.com>
Cc:	Jens Axboe <jaxboe@...ionio.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"James.Bottomley@...senpartnership.com" 
	<James.Bottomley@...senpartnership.com>, akpm@...ux-foundation.org,
	Linux SCSI List <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH] SCSI IOCTL: Check for device deletion [was Re:
 __elv_add_request OOPS]

On Wed, May 25, 2011 at 11:44 AM, Parag Warudkar <parag.lkml@...il.com> wrote:
>
> Below patch pushes the check down to ioctl functions and hopefully should
> cover more ioctl-on-gone-device cases by returning -ENXIO if an attempt
> was made to submit request to a non-running device.

Can we please not duplicate complicated logic like that?

IOW, just make a helper function for it.

That said, isn't this all *exactly* what scsi_prep_state_check() is
supposed to check for? Why isn't that called, or if called, why isn't
it doing the right thing?

                     Linus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/