sd-bus: fix memleak in failure path in bus_match_parse()

(cherry picked from commit 8df3f44c90a3e479b717e8cc4bb26c95ebbc5cb0)

diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c
index 558fd05aa128e2ec6fcabcd2c0fe82cd3a178b88..d74b28d821999a9fa3056c8e4d02ce8528bf4a02 100644 (file)
--- a/src/libsystemd/sd-bus/bus-match.c
+++ b/src/libsystemd/sd-bus/bus-match.c
@@ -743,12 +743,16 @@ int bus_match_parse(
                 p += strspn(p, " ");
 
                 eq = strchr(p, '=');
-                if (!eq)
-                        return -EINVAL;
+                if (!eq) {
+                        r = -EINVAL;
+                        goto fail;
+                }
 
                 t = bus_match_node_type_from_string(p, eq - p);
-                if (t < 0)
-                        return -EINVAL;
+                if (t < 0) {
+                        r = -EINVAL;
+                        goto fail;
+                }
 
                 quoted = eq[1] == '\'';