[PATCH 6/6] pci-arbiter: Close correctly

[Damien Zammit]

---
 pci-arbiter/main.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/pci-arbiter/main.c b/pci-arbiter/main.c
index 4a10b264..ddea5aa7 100644
--- a/pci-arbiter/main.c
+++ b/pci-arbiter/main.c
@@ -62,7 +62,7 @@ pci_device_open (mach_port_t reply_port, mach_msg_type_name_t 
reply_port_type,
                  mach_msg_type_name_t * devicePoly)
 {
   io_return_t err = D_SUCCESS;
-  mach_port_t dev_master, root;
+  mach_port_t dev_master;
 
   if (strncmp(name, "pci", 3))
     err = D_NO_SUCH_DEVICE;
@@ -82,12 +82,18 @@ pci_device_open (mach_port_t reply_port, 
mach_msg_type_name_t reply_port_type,
       return D_SUCCESS;
     }
 
-  root = pci_control_port;
-  *devp = root;
+  *devp = pci_control_port;
   *devicePoly = MACH_MSG_TYPE_COPY_SEND;
   return D_SUCCESS;
 }
 
+static io_return_t
+pci_device_close (void *d)
+{
+  ports_port_deref (&pci_control_port);
+  return 0;
+}
+
 static void
 pci_device_shutdown (mach_port_t dosync_handle)
 {
@@ -102,6 +108,8 @@ pci_device_shutdown (mach_port_t dosync_handle)
 
   ports_port_deref (inpi);
 
+  ports_destroy_right (&pci_control_port);
+
   netfs_shutdown (FSYS_GOAWAY_FORCE);
 }
 
@@ -111,7 +119,7 @@ static struct machdev_device_emulation_ops 
pci_arbiter_emulation_ops = {
   NULL,
   NULL,
   pci_device_open,
-  NULL,
+  pci_device_close,
   NULL,
   NULL,
   NULL,
-- 
2.30.1