new helpers: ns_alloc_inum/ns_free_inum
take struct ns_common *, for now simply wrappers around proc_{alloc,free}_inum()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namespace.c b/fs/namespace.c
index b9c16c3..30738d2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2645,7 +2645,7 @@
static void free_mnt_ns(struct mnt_namespace *ns)
{
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
put_user_ns(ns->user_ns);
kfree(ns);
}
@@ -2667,7 +2667,7 @@
new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
if (!new_ns)
return ERR_PTR(-ENOMEM);
- ret = proc_alloc_inum(&new_ns->ns.inum);
+ ret = ns_alloc_inum(&new_ns->ns);
if (ret) {
kfree(new_ns);
return ERR_PTR(ret);
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index f284959..f5780ee 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -71,4 +71,7 @@
#endif /* CONFIG_PROC_FS */
+#define ns_alloc_inum(ns) proc_alloc_inum(&(ns)->inum)
+#define ns_free_inum(ns) proc_free_inum((ns)->inum)
+
#endif /* _LINUX_PROC_NS_H */
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 531029a..bcdd7a5 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -26,7 +26,7 @@
if (ns == NULL)
return ERR_PTR(-ENOMEM);
- err = proc_alloc_inum(&ns->ns.inum);
+ err = ns_alloc_inum(&ns->ns);
if (err) {
kfree(ns);
return ERR_PTR(err);
@@ -35,7 +35,7 @@
atomic_set(&ns->count, 1);
err = mq_init_ns(ns);
if (err) {
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
kfree(ns);
return ERR_PTR(err);
}
@@ -119,7 +119,7 @@
*/
ipcns_notify(IPCNS_REMOVED);
put_user_ns(ns->user_ns);
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
kfree(ns);
}
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 79aabce..5aa9158 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -105,7 +105,7 @@
if (ns->pid_cachep == NULL)
goto out_free_map;
- err = proc_alloc_inum(&ns->ns.inum);
+ err = ns_alloc_inum(&ns->ns);
if (err)
goto out_free_map;
@@ -142,7 +142,7 @@
{
int i;
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
for (i = 0; i < PIDMAP_ENTRIES; i++)
kfree(ns->pidmap[i].page);
put_user_ns(ns->user_ns);
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 29cd5cc..6bf8177 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -86,7 +86,7 @@
if (!ns)
return -ENOMEM;
- ret = proc_alloc_inum(&ns->ns.inum);
+ ret = ns_alloc_inum(&ns->ns);
if (ret) {
kmem_cache_free(user_ns_cachep, ns);
return ret;
@@ -136,7 +136,7 @@
#ifdef CONFIG_PERSISTENT_KEYRINGS
key_put(ns->persistent_keyring_register);
#endif
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
kmem_cache_free(user_ns_cachep, ns);
ns = parent;
} while (atomic_dec_and_test(&parent->count));
diff --git a/kernel/utsname.c b/kernel/utsname.c
index 20697be..c2a2b32 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -42,7 +42,7 @@
if (!ns)
return ERR_PTR(-ENOMEM);
- err = proc_alloc_inum(&ns->ns.inum);
+ err = ns_alloc_inum(&ns->ns);
if (err) {
kfree(ns);
return ERR_PTR(err);
@@ -84,7 +84,7 @@
ns = container_of(kref, struct uts_namespace, kref);
put_user_ns(ns->user_ns);
- proc_free_inum(ns->ns.inum);
+ ns_free_inum(&ns->ns);
kfree(ns);
}
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2161f09..da775f5 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -386,12 +386,12 @@
static __net_init int net_ns_net_init(struct net *net)
{
- return proc_alloc_inum(&net->ns.inum);
+ return ns_alloc_inum(&net->ns);
}
static __net_exit void net_ns_net_exit(struct net *net)
{
- proc_free_inum(net->ns.inum);
+ ns_free_inum(&net->ns);
}
static struct pernet_operations __net_initdata net_ns_ops = {