From: Fengguang Wu <fengguang.wu@intel.com>
To: Josh Boyer <jwboyer@gmail.com>
Cc: "linux-fsdevel@vger.kernel.o..." <linux-fsdevel@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>, Jens Axboe <axboe@kernel.dk>
Subject: Re: [BUG] scsi_device.device == NULL in sd_revalidate_disk()
Date: Mon, 5 Mar 2012 16:11:46 -0800 [thread overview]
Message-ID: <20120306001146.GA31227@localhost> (raw)
In-Reply-To: <CA+5PVA4axkm-S5-E1pnkgNpDLy3DHegFL2Cfo2i-8HOsfGMHDw@mail.gmail.com>
On Mon, Mar 05, 2012 at 07:02:08PM -0500, Josh Boyer wrote:
> On Mon, Mar 5, 2012 at 6:41 PM, Fengguang Wu <fengguang.wu@intel.com> wrote:
> > Hi,
> >
> > I ran into a NULL dereference bug on USB key hot remove, which should
> > be caused by the below skdp->device reference
> >
> > static int sd_revalidate_disk(struct gendisk *disk)
> > {
> > struct scsi_disk *sdkp = scsi_disk(disk);
> > ==> struct scsi_device *sdp = sdkp->device;
>
> This has been reported numerous times. There are patches to the block layer
> that are supposed to fix it, but they haven't hit Linus' tree yet. I think
> we're waiting on Jens to push them.
OK, thanks for the information!
Thanks,
Fengguang
prev parent reply other threads:[~2012-03-06 0:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-05 23:41 [BUG] scsi_device.device == NULL in sd_revalidate_disk() Fengguang Wu
2012-03-06 0:02 ` Josh Boyer
2012-03-06 0:11 ` Fengguang Wu [this message]
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