diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index bf9ec39a83496eb92bd7eed992fd8aa06b0407e8..1980696a7fd7f9d84b2b1b1913c69ebb8741185c 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -370,7 +370,7 @@ static void _batadv_purge_orig(struct bat_priv *bat_priv)
 			}
 
 			if (batadv_has_timed_out(orig_node->last_frag_packet,
-						 FRAG_TIMEOUT))
+						 BATADV_FRAG_TIMEOUT))
 				batadv_frag_list_free(&orig_node->frag_list);
 		}
 		spin_unlock_bh(list_lock);
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index c8da6b0acc38114f740984308cdcc42ae6145534..809832026370059f67aa44cd2388e4d99482656e 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -98,7 +98,7 @@ static int batadv_frag_create_buffer(struct list_head *head)
 	int i;
 	struct frag_packet_list_entry *tfp;
 
-	for (i = 0; i < FRAG_BUFFER_SIZE; i++) {
+	for (i = 0; i < BATADV_FRAG_BUFFER_SIZE; i++) {
 		tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
 		if (!tfp) {
 			batadv_frag_list_free(head);
diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h
index 9257b83534fdc8d96ebf8ce21c400aac5778d798..936287f552eeb8a3d29d32243c05868583c1f57d 100644
--- a/net/batman-adv/unicast.h
+++ b/net/batman-adv/unicast.h
@@ -22,8 +22,8 @@
 
 #include "packet.h"
 
-#define FRAG_TIMEOUT 10000	/* purge frag list entries after time in ms */
-#define FRAG_BUFFER_SIZE 6	/* number of list elements in buffer */
+#define BATADV_FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */
+#define BATADV_FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */
 
 int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
 			       struct sk_buff **new_skb);