[SCSI] allow sleeping in ->eh_abort_handler()

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index c6f69fc..6e44475 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -433,7 +433,7 @@
  *		FAILED	- otherwise
  */
 int
-zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
+__zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 {
 	int retval = SUCCESS;
 	struct zfcp_fsf_req *new_fsf_req, *old_fsf_req;
@@ -611,6 +611,17 @@
 	return retval;
 }
 
+int
+zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
+{
+	int rc;
+	struct Scsi_Host *scsi_host = scpnt->device->host;
+	spin_lock_irq(scsi_host->host_lock);
+	rc = __zfcp_scsi_eh_abort_handler(scpnt);
+	spin_unlock_irq(scsi_host->host_lock);
+	return rc;
+}
+
 /*
  * function:	zfcp_scsi_eh_device_reset_handler
  *