diff options
Diffstat (limited to 'kernel/utsname.c')
| -rw-r--r-- | kernel/utsname.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/utsname.c b/kernel/utsname.c index 9d8180a0f0d8..816d7b24fa03 100644 --- a/kernel/utsname.c +++ b/kernel/utsname.c @@ -28,7 +28,9 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns) if (!ns) return ERR_PTR(-ENOMEM); + down_read(&uts_sem); memcpy(&ns->name, &old_ns->name, sizeof(ns->name)); + up_read(&uts_sem); kref_init(&ns->kref); return ns; } |