* main - writecache: fix lv_on_pmem
@ 2021-06-02 16:14 David Teigland
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From: David Teigland @ 2021-06-02 16:14 UTC (permalink / raw)
To: lvm-devel
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=247f69f9aafe731ef85268da1e6ce817295b265d
Commit: 247f69f9aafe731ef85268da1e6ce817295b265d
Parent: b725b5ea6ecfeef428fd7ffcd6855a38378d761b
Author: David Teigland <teigland@redhat.com>
AuthorDate: Wed Jun 2 10:51:12 2021 -0500
Committer: David Teigland <teigland@redhat.com>
CommitterDate: Wed Jun 2 10:51:12 2021 -0500
writecache: fix lv_on_pmem
dev_is_pmem on pv->dev requires a pv segment or it could segfault.
---
lib/metadata/metadata.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/metadata/metadata.c b/lib/metadata/metadata.c
index 110cbaed4..0b284435b 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)) {
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2021-06-02 16:14 main - writecache: fix lv_on_pmem David Teigland
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