MINOR: stick-table: allow to allocate an entry without filling it

By passing a NULL key to stksess_new(), we allocate it but do not yet
fill it. That way the caller can do that.

diff --git a/src/stick_table.c b/src/stick_table.c
index 52a58665ed21f709407116e3fd5a8236c51c666f..3097e662fe1613178e6e2d561c101f2852acd85c 100644 (file)
--- a/src/stick_table.c
+++ b/src/stick_table.c
@@ -152,7 +152,8 @@ static int stktable_trash_oldest(struct stktable *t, int to_batch)
  * Allocate and initialise a new sticky session.
  * The new sticky session is returned or NULL in case of lack of memory.
  * Sticky sessions should only be allocated this way, and must be freed using
- * stksess_free(). Increase table <t> sticky session counter.
+ * stksess_free(). Table <t>'s sticky session counter is increased. If <key>
+ * is not NULL, it is assigned to the new session.
  */
 struct stksess *stksess_new(struct stktable *t, struct stktable_key *key)
 {
@@ -170,7 +171,8 @@ struct stksess *stksess_new(struct stktable *t, struct stktable_key *key)
        if (ts) {
                t->current++;
                stksess_init(t, ts);
-               stksess_setkey(t, ts, key);
+               if (key)
+                       stksess_setkey(t, ts, key);
        }
 
        return ts;