nvme-print: check namespace in nvme_ctrl_for_each_path()

We should check if the namespace is available when scanning all
paths in nvme_ctrl_for_each_path(); a controller might be resetting
and might not be able to access the namespaces here.

Signed-off-by: Hannes Reinecke <hare@suse.de>

diff --git a/nvme-print.c b/nvme-print.c
index 894d25711ede52c55f72df7630eb46248d317b92..6c682fbe369cc256a519d179c4a86f5e8d6dc179 100644 (file)
--- a/nvme-print.c
+++ b/nvme-print.c
@@ -6704,8 +6704,11 @@ static void nvme_show_detailed_list(nvme_root_t r)
                                }
 
                                nvme_ctrl_for_each_path(c, p) {
+                                       n = nvme_path_get_ns(p);
+                                       if (!n)
+                                               continue;
                                        printf("%s%s", first ? "": ", ",
-                                              nvme_ns_get_name(nvme_path_get_ns(p)));
+                                              nvme_ns_get_name(n));
                                        first = false;
                                }
                                printf("\n");