[dm-devel] [PATCH 15/19] libmultipath: adopt_paths: check for size match

[Martin Wilck]

In coalesce_paths() and ev_add_path(), we check for size mismatch.
We should do it here, too.

Signed-off-by: Martin Wilck <mwilck at suse.com>
---
 libmultipath/structs_vec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libmultipath/structs_vec.c b/libmultipath/structs_vec.c
index 561ff4ac..a0b69ce5 100644
--- a/libmultipath/structs_vec.c
+++ b/libmultipath/structs_vec.c
@@ -60,6 +60,12 @@ int adopt_paths(vector pathvec, struct multipath *mpp)
 
 	vector_foreach_slot (pathvec, pp, i) {
 		if (!strncmp(mpp->wwid, pp->wwid, WWID_SIZE)) {
+			if (pp->size != 0 && mpp->size != 0 &&
+			    pp->size != mpp->size) {
+				condlog(3, "%s: size mismatch for %s, not adding path",
+					pp->dev, mpp->alias);
+				continue;
+			}
 			condlog(3, "%s: ownership set to %s",
 				pp->dev, mpp->alias);
 			pp->mpp = mpp;
-- 
2.19.1