diff options
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index efd34874b3d1..bc21c0fb26d8 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -244,6 +244,16 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid, tmp = tmp->parent; } + /* + * ENOMEM is not the most obvious choice especially for the case + * where the child subreaper has already exited and the pid + * namespace denies the creation of any new processes. But ENOMEM + * is what we have exposed to userspace for a long time and it is + * documented behavior for pid namespaces. So we can't easily + * change it even if there were an error code better suited. + */ + retval = -ENOMEM; + get_pid_ns(ns); refcount_set(&pid->count, 1); for (type = 0; type < PIDTYPE_MAX; ++type) |