[dm-devel] [PATCH] multipath: check setup_multipath return value.

[Benjamin Marzinski]

When setup_multipath() fails, it removes the map. So update_path_groups()
needs check the return value, and fail without touching the map anymore if
setup_multipath() fails.

Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
 multipathd/main.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: multipath-tools-110713/multipathd/main.c
===================================================================
--- multipath-tools-110713.orig/multipathd/main.c
+++ multipath-tools-110713/multipathd/main.c
@@ -1060,7 +1060,8 @@ int update_path_groups(struct multipath 
 		return 1;
 	}
 	dm_lib_release();
-	setup_multipath(vecs, mpp);
+	if (setup_multipath(vecs, mpp) != 0)
+		return 1;
 	sync_map_state(mpp);
 
 	return 0;