[PATCH] nvme-multipath: Early exit if no path is available

[Daniel Wagner]

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 <dwag...@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