diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 93617e7779a1057b20e56861a14bd33091919d76..0f318fd549beb73d2311096e56d33ca8bf5fb5df 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -181,7 +181,7 @@ static inline void iommu_set_fault_handler(struct iommu_domain *domain,
 {
 }
 
-static inline int iommu_device_group(struct device *dev, unsigned int *groupid);
+static inline int iommu_device_group(struct device *dev, unsigned int *groupid)
 {
 	return -ENODEV;
 }