diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index c9e660ae47aa89..33fcf0733ca64b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1119,11 +1119,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, goto bad_fork_cleanup_mm; if ((retval = copy_namespaces(clone_flags, p))) goto bad_fork_cleanup_keys; - if ((retval = copy_namespace(clone_flags, p))) - goto bad_fork_cleanup_namespaces; retval = copy_thread(0, clone_flags, stack_start, stack_size, p, regs); if (retval) - goto bad_fork_cleanup_namespace; + goto bad_fork_cleanup_namespaces; p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL; /* @@ -1215,7 +1213,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, spin_unlock(¤t->sighand->siglock); write_unlock_irq(&tasklist_lock); retval = -ERESTARTNOINTR; - goto bad_fork_cleanup_namespace; + goto bad_fork_cleanup_namespaces; } if (clone_flags & CLONE_THREAD) { @@ -1263,8 +1261,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, proc_fork_connector(p); return p; -bad_fork_cleanup_namespace: - exit_namespace(p); bad_fork_cleanup_namespaces: exit_task_namespaces(p); bad_fork_cleanup_keys: @@ -1519,10 +1515,9 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) */ static int unshare_namespace(unsigned long unshare_flags, struct namespace **new_nsp, struct fs_struct *new_fs) { - struct namespace *ns = current->namespace; + struct namespace *ns = current->nsproxy->namespace; - if ((unshare_flags & CLONE_NEWNS) && - (ns && atomic_read(&ns->count) > 1)) { + if ((unshare_flags & CLONE_NEWNS) && ns) { if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -1655,8 +1650,8 @@ asmlinkage long sys_unshare(unsigned long unshare_flags) } if (new_ns) { - ns = current->namespace; - current->namespace = new_ns; + ns = current->nsproxy->namespace; + current->nsproxy->namespace = new_ns; new_ns = ns; } |