diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index 9d9e4ab..b8333b0 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -68,7 +68,7 @@
 	if (!iommu_found())
 		return NULL;
 
-	domain = kmalloc(sizeof(*domain), GFP_KERNEL);
+	domain = kzalloc(sizeof(*domain), GFP_KERNEL);
 	if (!domain)
 		return NULL;