vfio_ccw will need it.
Signed-off-by: Jason Gunthorpe jgg@nvidia.com --- drivers/vfio/vfio.c | 3 ++- include/linux/vfio.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index c3ca33e513c8e9..e78278a0b98a96 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -603,10 +603,11 @@ void vfio_device_put(struct vfio_device *device) } EXPORT_SYMBOL_GPL(vfio_device_put);
-static bool vfio_device_try_get(struct vfio_device *device) +bool vfio_device_try_get(struct vfio_device *device) { return refcount_inc_not_zero(&device->refcount); } +EXPORT_SYMBOL_GPL(vfio_device_try_get);
static struct vfio_device *vfio_group_get_device(struct vfio_group *group, struct device *dev) diff --git a/include/linux/vfio.h b/include/linux/vfio.h index e65137a708f185..69df8bcc49aaf4 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -80,6 +80,7 @@ void vfio_uninit_group_dev(struct vfio_device *device); int vfio_register_group_dev(struct vfio_device *device); void vfio_unregister_group_dev(struct vfio_device *device); extern struct vfio_device *vfio_device_get_from_dev(struct device *dev); +bool vfio_device_try_get(struct vfio_device *device); extern void vfio_device_put(struct vfio_device *device);
int vfio_assign_device_set(struct vfio_device *device, void *set_id);