segtree: memleak in get_set_decompose()

Release set content on error. Moreover, release input set content in
case we finally manage to decompose it.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/segtree.c b/src/segtree.c
index 0d53c83f..dc2554b7 100644
--- a/src/segtree.c
+++ b/src/segtree.c
@@ -727,6 +727,7 @@ int get_set_decompose(struct table *table, struct set *set)
 			range = get_set_interval_find(table, set->handle.set.name,
 						    left, i);
 			if (!range) {
+				expr_free(new_init);
 				errno = ENOENT;
 				return -1;
 			}
@@ -755,6 +756,7 @@ int get_set_decompose(struct table *table, struct set *set)
 			compound_expr_add(new_init, expr_clone(left));
 	}
 
+	expr_free(set->init);
 	set->init = new_init;
 
 	return 0;