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| author | Chao Leng <lengchao@huawei.com> | 2021-01-28 11:33:51 +0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-01-28 19:25:07 +0100 |
| commit | 772ea326a4a00b6b4b2c8f3606ad10c31f46c511 (patch) | |
| tree | b97bbf08ee21a22401cb7db3e81a14a4ea7ce89b | |
| parent | d1bcf006a9d3d63c1bcb65a993cb13756954cd9c (diff) | |
| download | linux-772ea326a4a00b6b4b2c8f3606ad10c31f46c511.tar.bz2 | |
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: Chao Leng <lengchao@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | drivers/nvme/host/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 8caf9b34734d..f13eb4ded95f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -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; |