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authorJens Axboe <axboe@kernel.dk>2021-09-15 07:53:32 -0600
committerJens Axboe <axboe@kernel.dk>2021-09-15 07:53:32 -0600
commit65ed1e692f2b996292a5bd973200442816dd0ec1 (patch)
tree09b324bdd12214dae01153ae522b9519d0191ac0 /drivers/nvme/host/multipath.c
parent9da4c7276ec5d167972d8f6670d64b59838b4ed2 (diff)
parent70f437fb4395ad4d1d16fab9a1ad9fbc9fc0579b (diff)
downloadlinux-next-65ed1e692f2b996292a5bd973200442816dd0ec1.tar.gz
Merge tag 'nvme-5.15-2021-09-15' of git://git.infradead.org/nvme into block-5.15
Pull NVMe fixes from Christoph: "nvme fixes for Linux 5.15 - fix ANA state updates when a namespace is not present (Anton Eidelman) - nvmet: fix a width vs precision bug in nvmet_subsys_attr_serial_show (Dan Carpenter) - avoid race in shutdown namespace removal (Daniel Wagner) - fix io_work priority inversion in nvme-tcp (Keith Busch) - destroy cm id before destroy qp to avoid use after free (Ruozhu Li)" * tag 'nvme-5.15-2021-09-15' of git://git.infradead.org/nvme: nvme-tcp: fix io_work priority inversion nvme-rdma: destroy cm id before destroy qp to avoid use after free nvme-multipath: fix ANA state updates when a namespace is not present nvme: avoid race in shutdown namespace removal nvmet: fix a width vs precision bug in nvmet_subsys_attr_serial_show()
Diffstat (limited to 'drivers/nvme/host/multipath.c')
-rw-r--r--drivers/nvme/host/multipath.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 5d7bc58a27bd..e8ccdd398f78 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -600,14 +600,17 @@ static int nvme_update_ana_state(struct nvme_ctrl *ctrl,
down_read(&ctrl->namespaces_rwsem);
list_for_each_entry(ns, &ctrl->namespaces, list) {
- unsigned nsid = le32_to_cpu(desc->nsids[n]);
-
+ unsigned nsid;
+again:
+ nsid = le32_to_cpu(desc->nsids[n]);
if (ns->head->ns_id < nsid)
continue;
if (ns->head->ns_id == nsid)
nvme_update_ns_ana_state(desc, ns);
if (++n == nr_nsids)
break;
+ if (ns->head->ns_id > nsid)
+ goto again;
}
up_read(&ctrl->namespaces_rwsem);
return 0;