[PATCH 21/23] XXX libports: clear payload prior to port destruction

[Justus Winter]

It is unclear if this is really necessary.
---
 libports/complete-deallocate.c |    1 +
 libports/destroy-right.c       |    3 +++
 2 files changed, 4 insertions(+)

diff --git a/libports/complete-deallocate.c b/libports/complete-deallocate.c
index 8ce095b..6de97e3 100644
--- a/libports/complete-deallocate.c
+++ b/libports/complete-deallocate.c
@@ -30,6 +30,7 @@ _ports_complete_deallocate (struct port_info *pi)
   if (pi->port_right)
     {
       hurd_ihash_locp_remove (&pi->bucket->htable, pi->hentry);
+      mach_port_set_protected_payload (mach_task_self (), pi->port_right, 0);
       mach_port_mod_refs (mach_task_self (), pi->port_right,
                          MACH_PORT_RIGHT_RECEIVE, -1);
       pi->port_right = MACH_PORT_NULL;
diff --git a/libports/destroy-right.c b/libports/destroy-right.c
index 65e19c7..2518c9e 100644
--- a/libports/destroy-right.c
+++ b/libports/destroy-right.c
@@ -32,6 +32,9 @@ ports_destroy_right (void *portstruct)
     {
       pthread_mutex_lock (&_ports_lock);
       hurd_ihash_locp_remove (&pi->bucket->htable, pi->hentry);
+      mach_port_set_protected_payload (mach_task_self (),
+                                      pi->port_right,
+                                      0);
       err = mach_port_mod_refs (mach_task_self (), pi->port_right,
                                MACH_PORT_RIGHT_RECEIVE, -1);
       assert_perror (err);
-- 
1.7.10.4