diff options
Diffstat (limited to 'kernel/nsproxy.c')
| -rw-r--r-- | kernel/nsproxy.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index e10385c17f7376..47c19280c55b93 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -14,6 +14,7 @@ #include <linux/nsproxy.h> #include <linux/init_task.h> #include <linux/namespace.h> +#include <linux/utsname.h> struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy); @@ -59,6 +60,8 @@ struct nsproxy *dup_namespaces(struct nsproxy *orig) if (ns) { if (ns->namespace) get_namespace(ns->namespace); + if (ns->uts_ns) + get_uts_ns(ns->uts_ns); } return ns; @@ -97,6 +100,15 @@ int copy_namespaces(int flags, struct task_struct *tsk) goto out; } + err = copy_utsname(flags, tsk); + if (err) { + if (new_ns->namespace) + put_namespace(new_ns->namespace); + tsk->nsproxy = old_ns; + put_nsproxy(new_ns); + goto out; + } + out: put_nsproxy(old_ns); return err; @@ -106,5 +118,7 @@ void free_nsproxy(struct nsproxy *ns) { if (ns->namespace) put_namespace(ns->namespace); + if (ns->uts_ns) + put_uts_ns(ns->uts_ns); kfree(ns); } |