On Tue, Dec 11, 2018 at 05:59:33PM +0300, Sergei Shtylyov wrote: > > +static inline bool device_iommu_mapped(struct device *dev) > > +{ > > + return (dev->iommu_group != NULL); > > You know that parens are unnecessary here, right? :-) Yes, I know, but it feels incomplete to me without them :-) Joerg