diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c
index 2c17470..486551b 100644
--- a/drivers/scsi/ultrastor.c
+++ b/drivers/scsi/ultrastor.c
@@ -879,7 +879,7 @@
 	ogm_addr = (unsigned int)isa_bus_to_virt(inl(port0 + 23));
 	icm_status = inb(port0 + 27);
 	icm_addr = (unsigned int)isa_bus_to_virt(inl(port0 + 28));
-	spin_lock_irqsave(host->host_lock, flags);
+	spin_unlock_irqrestore(host->host_lock, flags);
       }
 
     /* First check to see if an interrupt is pending.  I suspect the SiS