From: Martin Wilck <[email protected]>
This is anologous to
1f96269 ("multipathd: fix mpp->hwe handling on path removal")
f6839eb ("multipathd: fix mpp->hwe handling when paths are freed")
When paths are removed from a map, we need to make sure that
mpp->hwe doesn't become stale.
Reported-by: Lixiaokeng <[email protected]>
Signed-off-by: Martin Wilck <[email protected]>
---
libmultipath/structs_vec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libmultipath/structs_vec.c b/libmultipath/structs_vec.c
index 0a73d2a..0519996 100644
--- a/libmultipath/structs_vec.c
+++ b/libmultipath/structs_vec.c
@@ -256,6 +256,8 @@ void sync_paths(struct multipath *mpp, vector pathvec)
}
if (!found) {
condlog(3, "%s dropped path %s", mpp->alias, pp->dev);
+ if (mpp->hwe == pp->hwe)
+ mpp->hwe = NULL;
vector_del_slot(mpp->paths, i--);
orphan_path(pp, "path removed externally");
}
@@ -263,6 +265,8 @@ void sync_paths(struct multipath *mpp, vector pathvec)
update_mpp_paths(mpp, pathvec);
vector_foreach_slot (mpp->paths, pp, i)
pp->mpp = mpp;
+ if (mpp->hwe == NULL)
+ extract_hwe_from_path(mpp);
}
int
--
2.26.2
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