--- drivers/scsi/scsi_lib.c

+++ drivers/scsi/scsi_lib.c

@@ -400,10 +400,15 @@ static inline int scsi_host_is_busy(stru

static void scsi_run_queue(struct request_queue *q)

{

struct scsi_device *sdev = q->queuedata;

- struct Scsi_Host *shost = sdev->host;

+ struct Scsi_Host *shost;

LIST_HEAD(starved_list);

unsigned long flags;

+ /* if the device is dead, sdev will be NULL, so no queue to run */

+ if (!sdev)

+ return;

+

+ shost = sdev->host;

if (scsi_target(sdev)->single_lun)

scsi_single_lun_run(sdev);