diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index ea2afef..3ba1ee7 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1755,11 +1755,8 @@
 	free_pages((unsigned long)irq_lookup_table,
 		   get_order(rlookup_table_size));
 
-	if (amd_iommu_irq_cache) {
-		kmem_cache_destroy(amd_iommu_irq_cache);
-		amd_iommu_irq_cache = NULL;
-
-	}
+	kmem_cache_destroy(amd_iommu_irq_cache);
+	amd_iommu_irq_cache = NULL;
 
 	free_pages((unsigned long)amd_iommu_rlookup_table,
 		   get_order(rlookup_table_size));