diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index 79f841b..a909f79 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -213,8 +213,9 @@
 	pata_platform_setup_port(&ap->ioaddr, pp_info);
 
 	/* activate */
-	return ata_host_activate(host, platform_get_irq(pdev, 0), ata_interrupt,
-				 pp_info->irq_flags, &pata_platform_sht);
+	return ata_host_activate(host, platform_get_irq(pdev, 0),
+				 ata_interrupt, pp_info ? pp_info->irq_flags
+				 : 0, &pata_platform_sht);
 }
 
 /**