Merge branch 'master' into upstream.

This is sync with Linus' tree to receive KEY_IMAGES definition
that went in through input tree.

1 files changed, 7 insertions, 3 deletions

diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 51952989ad42..a6d1655f9607 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -5,6 +5,7 @@
 #include <linux/idr.h>
 #include <linux/rwsem.h>
 #include <linux/notifier.h>
+#include <linux/nsproxy.h>
 
 /*
  * ipc namespace events
@@ -15,6 +16,7 @@
 
 #define IPCNS_CALLBACK_PRI 0
 
+struct user_namespace;
 
 struct ipc_ids {
         int in_use;
@@ -56,6 +58,8 @@ struct ipc_namespace {
         unsigned int    mq_msg_max;      /* initialized to DFLT_MSGMAX */
         unsigned int    mq_msgsize_max;  /* initialized to DFLT_MSGSIZEMAX */
 
+        /* user_ns which owns the ipc ns */
+        struct user_namespace *user_ns;
 };
 
 extern struct ipc_namespace init_ipc_ns;
@@ -90,7 +94,7 @@ static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }
 
 #if defined(CONFIG_IPC_NS)
 extern struct ipc_namespace *copy_ipcs(unsigned long flags,
-                                       struct ipc_namespace *ns);
+                                       struct task_struct *tsk);
 static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
 {
         if (ns)
@@ -101,12 +105,12 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
 extern void put_ipc_ns(struct ipc_namespace *ns);
 #else
 static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
-                struct ipc_namespace *ns)
+                                              struct task_struct *tsk)
 {
         if (flags & CLONE_NEWIPC)
                 return ERR_PTR(-EINVAL);
 
-        return ns;
+        return tsk->nsproxy->ipc_ns;
 }
 
 static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)