ipc: convert ipc_namespace.count from atomic_t to refcount_t

[linux.git] / ipc / namespace.c

diff --git a/ipc/namespace.c b/ipc/namespace.c
index b4d80f9f7246732e7ca749db7a1f2e33e105531a..7af6e6b883b9c21edd1782008c1c209d55151f18 100644 (file)
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -50,7 +50,7 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns,
                goto fail_free;
        ns->ns.ops = &ipcns_operations;
 
-       atomic_set(&ns->count, 1);
+       refcount_set(&ns->count, 1);
        ns->user_ns = get_user_ns(user_ns);
        ns->ucounts = ucounts;
 
@@ -144,7 +144,7 @@ static void free_ipc_ns(struct ipc_namespace *ns)
  */
 void put_ipc_ns(struct ipc_namespace *ns)
 {
-       if (atomic_dec_and_lock(&ns->count, &mq_lock)) {
+       if (refcount_dec_and_lock(&ns->count, &mq_lock)) {
                mq_clear_sbinfo(ns);
                spin_unlock(&mq_lock);
                mq_put_mnt(ns);