conntrackd: simplify cache_get_extra function

This patch simplifies cache_get_extra which now takes only one
parameter that is the cache_object. With it, the extra area can be
calculated.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/src/cache.c b/src/cache.c
index efdab0e..f515ba0 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -308,9 +308,9 @@ struct cache_object *cache_data_get_object(struct cache *c, void *data)
 	return (struct cache_object *)((char*)data - c->extra_offset);
 }
 
-void *cache_get_extra(struct cache *c, void *data)
+void *cache_get_extra(struct cache_object *obj)
 {
-	return (char*)data + c->extra_offset;
+	return (char*)obj + obj->cache->extra_offset;
 }
 
 void cache_stats(const struct cache *c, int fd)