[lib] Memory leak when deleting and re-adding device-mapper entries.

If we remove a map (with configuration details specified in the multipath.conf file)
and later re-add it, the pointer to the config is over-written without first
de-allocating the values.

diff --git a/libmultipath/configure.c b/libmultipath/configure.c
index 285a8a2..83ee0ae 100644 (file)
--- a/libmultipath/configure.c
+++ b/libmultipath/configure.c
@@ -50,6 +50,11 @@ setup_map (struct multipath * mpp)
        }
 
        /*
+        * free features, selector, and hwhandler properties if they are being reused
+        */
+       free_multipath_attributes(mpp);
+
+       /*
         * properties selectors
         */
        select_pgfailback(mpp);