diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index cfb52e966bcc1413c5357ec3b7c3da614ea60650..cde37ab007603bdf47127cf792463d3c1672c10c 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -982,7 +982,7 @@ int iommu_unregister_device_fault_handler(struct device *dev)
 
 	mutex_lock(&param->lock);
 	/* we cannot unregister handler if there are pending faults */
-	if (list_empty(&param->fault_param->faults)) {
+	if (!list_empty(&param->fault_param->faults)) {
 		ret = -EBUSY;
 		goto unlock;
 	}