diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index dd076da86a46..b98136adaaae 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2590,7 +2590,7 @@ qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
 			return 0;
 		if (msleep_interruptible(step))
 			break;
-	} while (--iterations >= 0);
+	} while (--iterations > 0);
 
 	return -ETIMEDOUT;
 }