When need_switch_pathgroup() is called by deferred_failback_tick(), there is a chance that mpp->paths will be NULL, even if there are paths in the multipath device's pathgroups. Instead check if there are multiple pathgroups, since multipath can't be using the wrong pathgroup if there is one or none. Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx> --- multipathd/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/multipathd/main.c b/multipathd/main.c index 2ea7c76b..39ba6d27 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -423,7 +423,7 @@ need_switch_pathgroup (struct multipath * mpp, int refresh, bool *need_reload) } } - if (!mpp->pg || VECTOR_SIZE(mpp->paths) == 0) + if (VECTOR_SIZE(mpp->pg) < 2) return 0; bestpg = select_path_group(mpp); -- 2.17.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
