Re: [BUG] scsi_device.device == NULL in sd_revalidate_disk()

[Josh Boyer]

On Mon, Mar 5, 2012 at 6:41 PM, Fengguang Wu <fengguang.wu@xxxxxxxxx> 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.

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