make proc_ns_operations work with struct ns_common * instead of void *

We can do that now.  And kill ->inum(), while we are at it - all instances
are identical.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-11-01 00:37:32 -04:00
parent 3c04118461
commit 64964528b2
9 changed files with 28 additions and 65 deletions

View File

@@ -154,7 +154,7 @@ static inline struct ipc_namespace *to_ipc_ns(struct ns_common *ns)
return container_of(ns, struct ipc_namespace, ns);
}
static void *ipcns_get(struct task_struct *task)
static struct ns_common *ipcns_get(struct task_struct *task)
{
struct ipc_namespace *ns = NULL;
struct nsproxy *nsproxy;
@@ -168,12 +168,12 @@ static void *ipcns_get(struct task_struct *task)
return ns ? &ns->ns : NULL;
}
static void ipcns_put(void *ns)
static void ipcns_put(struct ns_common *ns)
{
return put_ipc_ns(to_ipc_ns(ns));
}
static int ipcns_install(struct nsproxy *nsproxy, void *new)
static int ipcns_install(struct nsproxy *nsproxy, struct ns_common *new)
{
struct ipc_namespace *ns = to_ipc_ns(new);
if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||
@@ -187,16 +187,10 @@ static int ipcns_install(struct nsproxy *nsproxy, void *new)
return 0;
}
static unsigned int ipcns_inum(void *vp)
{
return ((struct ns_common *)vp)->inum;
}
const struct proc_ns_operations ipcns_operations = {
.name = "ipc",
.type = CLONE_NEWIPC,
.get = ipcns_get,
.put = ipcns_put,
.install = ipcns_install,
.inum = ipcns_inum,
};