aboutsummaryrefslogtreecommitdiff
path: root/ipc/namespace.c
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2009-06-17 16:27:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:03:56 -0700
commitb4188def441197d38f20e0935372780ed7c0e19d (patch)
tree483d47961a7c18a9d15f81cb8690f66feeb566bc /ipc/namespace.c
parent90af90d7d3a7411db64860c9d6e5798ff87cad08 (diff)
downloadlinux-2.6.34-ux500-b4188def441197d38f20e0935372780ed7c0e19d.tar.gz
ipcns: make free_ipc_ns() static
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/namespace.c')
-rw-r--r--ipc/namespace.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 231ee5359ab..a1094ff0bef 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -83,6 +83,30 @@ void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
up_write(&ids->rw_mutex);
}
+static void free_ipc_ns(struct ipc_namespace *ns)
+{
+ /*
+ * Unregistering the hotplug notifier at the beginning guarantees
+ * that the ipc namespace won't be freed while we are inside the
+ * callback routine. Since the blocking_notifier_chain_XXX routines
+ * hold a rw lock on the notifier list, unregister_ipcns_notifier()
+ * won't take the rw lock before blocking_notifier_call_chain() has
+ * released the rd lock.
+ */
+ unregister_ipcns_notifier(ns);
+ sem_exit_ns(ns);
+ msg_exit_ns(ns);
+ shm_exit_ns(ns);
+ kfree(ns);
+ atomic_dec(&nr_ipc_ns);
+
+ /*
+ * Do the ipcns removal notification after decrementing nr_ipc_ns in
+ * order to have a correct value when recomputing msgmni.
+ */
+ ipcns_notify(IPCNS_REMOVED);
+}
+
/*
* put_ipc_ns - drop a reference to an ipc namespace.
* @ns: the namespace to put
@@ -108,27 +132,3 @@ void put_ipc_ns(struct ipc_namespace *ns)
free_ipc_ns(ns);
}
}
-
-void free_ipc_ns(struct ipc_namespace *ns)
-{
- /*
- * Unregistering the hotplug notifier at the beginning guarantees
- * that the ipc namespace won't be freed while we are inside the
- * callback routine. Since the blocking_notifier_chain_XXX routines
- * hold a rw lock on the notifier list, unregister_ipcns_notifier()
- * won't take the rw lock before blocking_notifier_call_chain() has
- * released the rd lock.
- */
- unregister_ipcns_notifier(ns);
- sem_exit_ns(ns);
- msg_exit_ns(ns);
- shm_exit_ns(ns);
- kfree(ns);
- atomic_dec(&nr_ipc_ns);
-
- /*
- * Do the ipcns removal notification after decrementing nr_ipc_ns in
- * order to have a correct value when recomputing msgmni.
- */
- ipcns_notify(IPCNS_REMOVED);
-}