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-rw-r--r--ipc/msg.c26
1 files changed, 4 insertions, 22 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index 5879bfeb79ca..ab0c38b29533 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -67,9 +67,7 @@ struct msg_sender {
67#define SEARCH_NOTEQUAL 3 67#define SEARCH_NOTEQUAL 3
68#define SEARCH_LESSEQUAL 4 68#define SEARCH_LESSEQUAL 4
69 69
70static struct ipc_ids init_msg_ids; 70#define msg_ids(ns) ((ns)->ids[IPC_MSG_IDS])
71
72#define msg_ids(ns) (*((ns)->ids[IPC_MSG_IDS]))
73 71
74#define msg_unlock(msq) ipc_unlock(&(msq)->q_perm) 72#define msg_unlock(msq) ipc_unlock(&(msq)->q_perm)
75#define msg_buildid(id, seq) ipc_buildid(id, seq) 73#define msg_buildid(id, seq) ipc_buildid(id, seq)
@@ -80,30 +78,17 @@ static int newque(struct ipc_namespace *, struct ipc_params *);
80static int sysvipc_msg_proc_show(struct seq_file *s, void *it); 78static int sysvipc_msg_proc_show(struct seq_file *s, void *it);
81#endif 79#endif
82 80
83static void __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids) 81void msg_init_ns(struct ipc_namespace *ns)
84{ 82{
85 ns->ids[IPC_MSG_IDS] = ids;
86 ns->msg_ctlmax = MSGMAX; 83 ns->msg_ctlmax = MSGMAX;
87 ns->msg_ctlmnb = MSGMNB; 84 ns->msg_ctlmnb = MSGMNB;
88 ns->msg_ctlmni = MSGMNI; 85 ns->msg_ctlmni = MSGMNI;
89 atomic_set(&ns->msg_bytes, 0); 86 atomic_set(&ns->msg_bytes, 0);
90 atomic_set(&ns->msg_hdrs, 0); 87 atomic_set(&ns->msg_hdrs, 0);
91 ipc_init_ids(ids); 88 ipc_init_ids(&ns->ids[IPC_MSG_IDS]);
92} 89}
93 90
94#ifdef CONFIG_IPC_NS 91#ifdef CONFIG_IPC_NS
95int msg_init_ns(struct ipc_namespace *ns)
96{
97 struct ipc_ids *ids;
98
99 ids = kmalloc(sizeof(struct ipc_ids), GFP_KERNEL);
100 if (ids == NULL)
101 return -ENOMEM;
102
103 __msg_init_ns(ns, ids);
104 return 0;
105}
106
107void msg_exit_ns(struct ipc_namespace *ns) 92void msg_exit_ns(struct ipc_namespace *ns)
108{ 93{
109 struct msg_queue *msq; 94 struct msg_queue *msq;
@@ -126,15 +111,12 @@ void msg_exit_ns(struct ipc_namespace *ns)
126 } 111 }
127 112
128 up_write(&msg_ids(ns).rw_mutex); 113 up_write(&msg_ids(ns).rw_mutex);
129
130 kfree(ns->ids[IPC_MSG_IDS]);
131 ns->ids[IPC_MSG_IDS] = NULL;
132} 114}
133#endif 115#endif
134 116
135void __init msg_init(void) 117void __init msg_init(void)
136{ 118{
137 __msg_init_ns(&init_ipc_ns, &init_msg_ids); 119 msg_init_ns(&init_ipc_ns);
138 ipc_init_proc_interface("sysvipc/msg", 120 ipc_init_proc_interface("sysvipc/msg",
139 " key msqid perms cbytes qnum lspid lrpid uid gid cuid cgid stime rtime ctime\n", 121 " key msqid perms cbytes qnum lspid lrpid uid gid cuid cgid stime rtime ctime\n",
140 IPC_MSG_IDS, sysvipc_msg_proc_show); 122 IPC_MSG_IDS, sysvipc_msg_proc_show);