Commit 772ea326 authored by Chao Leng's avatar Chao Leng Committed by Christoph Hellwig
Browse files

nvme-core: use list_add_tail_rcu instead of list_add_tail for nvme_init_ns_head 



The "list" of nvme_ns_head is used as rcu list, now in nvme_init_ns_head
list_add_tail is used to add ns->siblings to the rcu list. It is not safe.
Should use list_add_tail_rcu instead of list_add_tail.

Signed-off-by: default avatarChao Leng <lengchao@huawei.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent d1bcf006

drivers/nvme/host/core.c

+1 −1
Original line number Diff line number Diff line
@@ -3829,7 +3829,7 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid, 
		}

	}



	list_add_tail(&ns->siblings, &head->list);

	list_add_tail_rcu(&ns->siblings, &head->list);

	ns->head = head;

	mutex_unlock(&ctrl->subsys->lock);

	return 0;