On Thu, 2 Jul 2020 19:26:28 -0700 Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: > Include linux/slab.h to fix a build error due to kfree() being undefined. > > Fixes: 3f02cb2fd9d2d ("vfio-ccw: Wire up the CRW irq and CRW region") > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > --- > > Encountered this when cross-compiling with a pretty minimal config, didn't > bother digging into why the error only showed up in my environment. > > drivers/s390/cio/vfio_ccw_chp.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/s390/cio/vfio_ccw_chp.c b/drivers/s390/cio/vfio_ccw_chp.c > index a646fc81c872..13b26a1c7988 100644 > --- a/drivers/s390/cio/vfio_ccw_chp.c > +++ b/drivers/s390/cio/vfio_ccw_chp.c > @@ -8,6 +8,7 @@ > * Eric Farman <farman@xxxxxxxxxxxxx> > */ > > +#include <linux/slab.h> > #include <linux/vfio.h> > #include "vfio_ccw_private.h" > Thanks, applied.