batman-adv: Add const type qualifier for pointers

batman-adv uses pointers which are marked as const and should not
violate that type qualifier by passing it to functions which force a
cast to the non-const version.

Signed-off-by: Sven Eckelmann <sven@narfation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 6e036351dc3d..e9c7eb1a1f9d 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -393,8 +393,8 @@ void gw_node_purge(struct bat_priv *bat_priv)
 /**
  * fails if orig_node has no router
  */
-static int _write_buffer_text(struct bat_priv *bat_priv,
-                              struct seq_file *seq, struct gw_node *gw_node)
+static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
+                              const struct gw_node *gw_node)
 {
         struct gw_node *curr_gw;
         struct neigh_node *router;