If all paths are removed from a multipath table there is no
point in trying to switch path groups as we don't have any.
Signed-off-by: Hannes Reinecke <h...@suse.com>
---
multipathd/main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/multipathd/main.c b/multipathd/main.c
index ebb9a50..a86530f 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -126,6 +126,9 @@ need_switch_pathgroup (struct multipath * mpp, int refresh)
vector_foreach_slot (pgp->paths, pp, j)
pathinfo(pp, conf->hwtable, DI_PRIO);
+ if (!mpp->pg || VECTOR_SIZE(mpp->paths) == 0)
+ return 0;
+
mpp->bestpg = select_path_group(mpp);
if (mpp->bestpg != mpp->nextpg)
--
2.6.6
--
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