[SCSI] Check for deleted device in scsi_device_online()

scsi_device_online() is not just a negation of SDEV_OFFLINE,
also devices in state SDEV_DEL are actually offline.
Signed-off-by: NHannes Reinecke <hare@suse.de>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

include/scsi/scsi_device.h

@@ -401,7 +401,8 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
  */
 static inline int scsi_device_online(struct scsi_device *sdev)
 {
-	return sdev->sdev_state != SDEV_OFFLINE;
+	return (sdev->sdev_state != SDEV_OFFLINE &&
+		sdev->sdev_state != SDEV_DEL);
 }
 static inline int scsi_device_blocked(struct scsi_device *sdev)
 {