406 	void *out;  in ipc_alloc()  local
408 		out = vmalloc(size);  in ipc_alloc()
410 		out = kmalloc(size, GFP_KERNEL);  in ipc_alloc()
411 	return out;  in ipc_alloc()
442 	struct ipc_rcu *out = ipc_alloc(sizeof(struct ipc_rcu) + size);  in ipc_rcu_alloc()  local
443 	if (unlikely(!out))  in ipc_rcu_alloc()
445 	atomic_set(&out->refcount, 1);  in ipc_rcu_alloc()
446 	return out + 1;  in ipc_rcu_alloc()
521 void kernel_to_ipc64_perm(struct kern_ipc_perm *in, struct ipc64_perm *out)  in kernel_to_ipc64_perm()  argument
523 	out->key	= in->key;  in kernel_to_ipc64_perm()
524 	out->uid	= from_kuid_munged(current_user_ns(), in->uid);  in kernel_to_ipc64_perm()
525 	out->gid	= from_kgid_munged(current_user_ns(), in->gid);  in kernel_to_ipc64_perm()
526 	out->cuid	= from_kuid_munged(current_user_ns(), in->cuid);  in kernel_to_ipc64_perm()
527 	out->cgid	= from_kgid_munged(current_user_ns(), in->cgid);  in kernel_to_ipc64_perm()
528 	out->mode	= in->mode;  in kernel_to_ipc64_perm()
529 	out->seq	= in->seq;  in kernel_to_ipc64_perm()
540 void ipc64_perm_to_ipc_perm(struct ipc64_perm *in, struct ipc_perm *out)  in ipc64_perm_to_ipc_perm()  argument
542 	out->key	= in->key;  in ipc64_perm_to_ipc_perm()
543 	SET_UID(out->uid, in->uid);  in ipc64_perm_to_ipc_perm()
544 	SET_GID(out->gid, in->gid);  in ipc64_perm_to_ipc_perm()
545 	SET_UID(out->cuid, in->cuid);  in ipc64_perm_to_ipc_perm()
546 	SET_GID(out->cgid, in->cgid);  in ipc64_perm_to_ipc_perm()
547 	out->mode	= in->mode;  in ipc64_perm_to_ipc_perm()
548 	out->seq	= in->seq;  in ipc64_perm_to_ipc_perm()
563 	struct kern_ipc_perm *out;  in ipc_obtain_object()  local
566 	out = idr_find(&ids->ipcs_idr, lid);  in ipc_obtain_object()
567 	if (!out)  in ipc_obtain_object()
570 	return out;  in ipc_obtain_object()
584 	struct kern_ipc_perm *out;  in ipc_lock()  local
587 	out = ipc_obtain_object(ids, id);  in ipc_lock()
588 	if (IS_ERR(out))  in ipc_lock()
591 	spin_lock(&out->lock);  in ipc_lock()
596 	if (ipc_valid_object(out))  in ipc_lock()
597 		return out;  in ipc_lock()
599 	spin_unlock(&out->lock);  in ipc_lock()
600 	out = ERR_PTR(-EINVAL);  in ipc_lock()
603 	return out;  in ipc_lock()
619 	struct kern_ipc_perm *out = ipc_obtain_object(ids, id);  in ipc_obtain_object_check()  local
621 	if (IS_ERR(out))  in ipc_obtain_object_check()
622 		goto out;  in ipc_obtain_object_check()
624 	if (ipc_checkid(out, id))  in ipc_obtain_object_check()
626 out:  in ipc_obtain_object_check()
627 	return out;  in ipc_obtain_object_check()
654 int ipc_update_perm(struct ipc64_perm *in, struct kern_ipc_perm *out)  in ipc_update_perm()  argument
661 	out->uid = uid;  in ipc_update_perm()
662 	out->gid = gid;  in ipc_update_perm()
663 	out->mode = (out->mode & ~S_IRWXUGO)  in ipc_update_perm()