batman-adv: Remove unused dentry without DEBUGFS

The debug_dir variable in the main structures is only accessed when
CONFIG_BATMAN_ADV_DEBUGFS is enabled. It can be dropped to potentially save
some bytes of memory.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 3b3fc14..360357f 100644 (file)
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -215,10 +215,12 @@ struct batadv_hard_iface {
        struct batadv_hard_iface_bat_v bat_v;
 #endif
 
+#ifdef CONFIG_BATMAN_ADV_DEBUGFS
        /**
         * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
         */
        struct dentry *debug_dir;
+#endif
 
        /**
         * @neigh_list: list of unique single hop neighbors via this interface
@@ -1242,10 +1244,12 @@ struct batadv_priv_nc {
        /** @work: work queue callback item for cleanup */
        struct delayed_work work;
 
+#ifdef CONFIG_BATMAN_ADV_DEBUGFS
        /**
         * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
         */
        struct dentry *debug_dir;
+#endif
 
        /**
         * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq
@@ -1598,8 +1602,10 @@ struct batadv_priv {
        /** @mesh_obj: kobject for sysfs mesh subdirectory */
        struct kobject *mesh_obj;
 
+#ifdef CONFIG_BATMAN_ADV_DEBUGFS
        /** @debug_dir: dentry for debugfs batman-adv subdirectory */
        struct dentry *debug_dir;
+#endif
 
        /** @forw_bat_list: list of aggregated OGMs that will be forwarded */
        struct hlist_head forw_bat_list;