[PATCH v4 2/2] vfio: no need to pass kvm pointer during device open

[Matthew Rosato <mjrosato@linux.ibm.com>]

Nothing uses this value during vfio_device_open anymore so it's safe
to remove it.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 drivers/vfio/group.c     | 2 +-
 drivers/vfio/vfio.h      | 3 +--
 drivers/vfio/vfio_main.c | 7 +++----
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/vfio/group.c b/drivers/vfio/group.c
index 98621ac082f0..0e9036e2b9c4 100644
--- a/drivers/vfio/group.c
+++ b/drivers/vfio/group.c
@@ -187,7 +187,7 @@ static int vfio_device_group_open(struct vfio_device *device)
 	if (device->open_count == 0)
 		vfio_device_group_get_kvm_safe(device);
 
-	ret = vfio_device_open(device, device->group->iommufd, device->kvm);
+	ret = vfio_device_open(device, device->group->iommufd);
 
 	if (device->open_count == 0)
 		vfio_device_put_kvm(device);
diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h
index 24d6cd285945..4f39ab549a80 100644
--- a/drivers/vfio/vfio.h
+++ b/drivers/vfio/vfio.h
@@ -18,8 +18,7 @@ struct vfio_container;
 
 void vfio_device_put_registration(struct vfio_device *device);
 bool vfio_device_try_get_registration(struct vfio_device *device);
-int vfio_device_open(struct vfio_device *device,
-		     struct iommufd_ctx *iommufd, struct kvm *kvm);
+int vfio_device_open(struct vfio_device *device, struct iommufd_ctx *iommufd);
 void vfio_device_close(struct vfio_device *device,
 		       struct iommufd_ctx *iommufd);
 
diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c
index 28c47cd6a6b5..3a597e799918 100644
--- a/drivers/vfio/vfio_main.c
+++ b/drivers/vfio/vfio_main.c
@@ -397,7 +397,7 @@ static bool vfio_assert_device_open(struct vfio_device *device)
 }
 
 static int vfio_device_first_open(struct vfio_device *device,
-				  struct iommufd_ctx *iommufd, struct kvm *kvm)
+				  struct iommufd_ctx *iommufd)
 {
 	int ret;
 
@@ -444,8 +444,7 @@ static void vfio_device_last_close(struct vfio_device *device,
 	module_put(device->dev->driver->owner);
 }
 
-int vfio_device_open(struct vfio_device *device,
-		     struct iommufd_ctx *iommufd, struct kvm *kvm)
+int vfio_device_open(struct vfio_device *device, struct iommufd_ctx *iommufd)
 {
 	int ret = 0;
 
@@ -453,7 +452,7 @@ int vfio_device_open(struct vfio_device *device,
 
 	device->open_count++;
 	if (device->open_count == 1) {
-		ret = vfio_device_first_open(device, iommufd, kvm);
+		ret = vfio_device_first_open(device, iommufd);
 		if (ret)
 			device->open_count--;
 	}
-- 
2.39.1