Messages in this thread Patch in this message | | | From | Daniel Wagner <> | Subject | [PATCH] nvme-multipath: Early exit if no path is available | Date | Fri, 22 Jan 2021 18:41:25 +0100 |
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nvme_round_robin_path() should test if the return ns pointer is valid. nvme_next_ns() will return a NULL pointer if there is no path left.
Signed-off-by: Daniel Wagner <dwagner@suse.de> --- drivers/nvme/host/multipath.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index d578de0ce3aa..8837e9da1ccf 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -239,6 +239,8 @@ static struct nvme_ns *nvme_round_robin_path(struct nvme_ns_head *head, for (ns = nvme_next_ns(head, old); ns != old; ns = nvme_next_ns(head, ns)) { + if (!ns) + break; if (nvme_path_is_disabled(ns)) continue; -- 2.29.2
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