From 247f69f9aafe731ef85268da1e6ce817295b265d Mon Sep 17 00:00:00 2001 From: David Teigland Date: Wed, 2 Jun 2021 10:51:12 -0500 Subject: [PATCH 10/33] writecache: fix lv_on_pmem dev_is_pmem on pv->dev requires a pv segment or it could segfault. Signed-off-by: Heming Zhao --- lib/metadata/metadata.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/metadata/metadata.c b/lib/metadata/metadata.c index 110cbaed4e62..0b284435b41b 100644 --- a/lib/metadata/metadata.c +++ b/lib/metadata/metadata.c @@ -4412,6 +4412,9 @@ int lv_on_pmem(struct logical_volume *lv) dm_list_iterate_items(seg, &lv->segments) { for (s = 0; s < seg->area_count; s++) { + if (seg_type(seg, s) != AREA_PV) + continue; + pv = seg_pv(seg, s); if (dev_is_pmem(lv->vg->cmd->dev_types, pv->dev)) { -- 1.8.3.1