pid namespaces: changes to show virtual ids to user
[linux-2.6-block.git] / ipc / msg.c
index cbd27e519943b140a2f291cecbf3e0e89820172a..319468609b7659d5aea356bfe079317e9ec18fae 100644 (file)
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -385,7 +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;
@@ -509,7 +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)
@@ -611,7 +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();
@@ -695,7 +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)) {
@@ -810,7 +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);