pid namespaces: changes to show virtual ids to user

[linux-2.6-block.git] / ipc / msg.c

diff --git a/ipc/msg.c b/ipc/msg.c
index a388824740e7e9c1e770dde9d3082609c0e8f017..319468609b7659d5aea356bfe079317e9ec18fae 100644 (file)
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -87,7 +87,7 @@ static int newque (struct ipc_namespace *ns, key_t key, int msgflg);
 static int sysvipc_msg_proc_show(struct seq_file *s, void *it);
 #endif
 
-static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
 {
        ns->ids[IPC_MSG_IDS] = ids;
        ns->msg_ctlmax = MSGMAX;
@@ -96,7 +96,6 @@ static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *i
        ipc_init_ids(ids, ns->msg_ctlmni);
 }
 
-#ifdef CONFIG_IPC_NS
 int msg_init_ns(struct ipc_namespace *ns)
 {
        struct ipc_ids *ids;
@@ -128,7 +127,6 @@ void msg_exit_ns(struct ipc_namespace *ns)
        kfree(ns->ids[IPC_MSG_IDS]);
        ns->ids[IPC_MSG_IDS] = NULL;
 }
-#endif
 
 void __init msg_init(void)
 {
@@ -387,7 +385,7 @@ copy_msqid_from_user(struct msq_setbuf *out, void __user *buf, int version)
 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
 {
        struct kern_ipc_perm *ipcp;
-       struct msq_setbuf setbuf;
+       struct msq_setbuf uninitialized_var(setbuf);
        struct msg_queue *msq;
        int err, version;
        struct ipc_namespace *ns;
@@ -511,7 +509,7 @@ asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
        err = audit_ipc_obj(ipcp);
        if (err)
                goto out_unlock_up;
-       if (cmd==IPC_SET) {
+       if (cmd == IPC_SET) {
                err = audit_ipc_set_perm(setbuf.qbytes, setbuf.uid, setbuf.gid,
                                         setbuf.mode);
                if (err)
@@ -613,7 +611,7 @@ static inline int pipelined_send(struct msg_queue *msq, struct msg_msg *msg)
                                msr->r_msg = ERR_PTR(-E2BIG);
                        } else {
                                msr->r_msg = NULL;
-                               msq->q_lrpid = msr->r_tsk->pid;
+                               msq->q_lrpid = task_pid_vnr(msr->r_tsk);
                                msq->q_rtime = get_seconds();
                                wake_up_process(msr->r_tsk);
                                smp_mb();
@@ -697,7 +695,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
                }
        }
 
-       msq->q_lspid = current->tgid;
+       msq->q_lspid = task_tgid_vnr(current);
        msq->q_stime = get_seconds();
 
        if (!pipelined_send(msq, msg)) {
@@ -812,7 +810,7 @@ long do_msgrcv(int msqid, long *pmtype, void __user *mtext,
                        list_del(&msg->m_list);
                        msq->q_qnum--;
                        msq->q_rtime = get_seconds();
-                       msq->q_lrpid = current->tgid;
+                       msq->q_lrpid = task_tgid_vnr(current);
                        msq->q_cbytes -= msg->m_ts;
                        atomic_sub(msg->m_ts, &msg_bytes);
                        atomic_dec(&msg_hdrs);