diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 747755647c6a..b992ba12aa24 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -12,6 +12,7 @@
 #include <linux/compiler.h>
 #include <linux/container_of.h>
 #include <linux/crc16.h>
+#include <linux/crc32.h>
 #include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/etherdevice.h>
@@ -1584,6 +1585,39 @@ int batadv_bla_init(struct batadv_priv *bat_priv)
 	return 0;
 }
 
+/**
+ * batadv_skb_crc32() - calculate CRC32 of the whole packet and skip bytes in
+ *  the header
+ * @skb: skb pointing to fragmented socket buffers
+ * @payload_ptr: Pointer to position inside the head buffer of the skb
+ *  marking the start of the data to be CRC'ed
+ *
+ * payload_ptr must always point to an address in the skb head buffer and not to
+ * a fragment.
+ *
+ * Return: big endian crc32c of the checksummed data
+ */
+static __be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr)
+{
+	unsigned int to = skb->len;
+	unsigned int consumed = 0;
+	struct skb_seq_state st;
+	unsigned int from;
+	unsigned int len;
+	const u8 *data;
+	u32 crc = 0;
+
+	from = (unsigned int)(payload_ptr - skb->data);
+
+	skb_prepare_seq_read(skb, from, to, &st);
+	while ((len = skb_seq_read(consumed, &data, &st)) != 0) {
+		crc = crc32c(crc, data, len);
+		consumed += len;
+	}
+
+	return htonl(crc);
+}
+
 /**
  * batadv_bla_check_duplist() - Check if a frame is in the broadcast dup.
  * @bat_priv: the bat priv with all the mesh interface information
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 1dcacfc310ee..3a35aadd8b41 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -11,7 +11,6 @@
 #include <linux/build_bug.h>
 #include <linux/byteorder/generic.h>
 #include <linux/container_of.h>
-#include <linux/crc32.h>
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/gfp.h>
@@ -561,39 +560,6 @@ void batadv_recv_handler_unregister(u8 packet_type)
 	batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet;
 }
 
-/**
- * batadv_skb_crc32() - calculate CRC32 of the whole packet and skip bytes in
- *  the header
- * @skb: skb pointing to fragmented socket buffers
- * @payload_ptr: Pointer to position inside the head buffer of the skb
- *  marking the start of the data to be CRC'ed
- *
- * payload_ptr must always point to an address in the skb head buffer and not to
- * a fragment.
- *
- * Return: big endian crc32c of the checksummed data
- */
-__be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr)
-{
-	u32 crc = 0;
-	unsigned int from;
-	unsigned int to = skb->len;
-	struct skb_seq_state st;
-	const u8 *data;
-	unsigned int len;
-	unsigned int consumed = 0;
-
-	from = (unsigned int)(payload_ptr - skb->data);
-
-	skb_prepare_seq_read(skb, from, to, &st);
-	while ((len = skb_seq_read(consumed, &data, &st)) != 0) {
-		crc = crc32c(crc, data, len);
-		consumed += len;
-	}
-
-	return htonl(crc);
-}
-
 /**
  * batadv_get_vid() - extract the VLAN identifier from skb if any
  * @skb: the buffer containing the packet
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 7352b11df968..2be1ac17acaa 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -248,7 +248,6 @@ batadv_recv_handler_register(u8 packet_type,
 			     int (*recv_handler)(struct sk_buff *,
 						 struct batadv_hard_iface *));
 void batadv_recv_handler_unregister(u8 packet_type);
-__be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr);
 
 /**
  * batadv_compare_eth() - Compare two not u16 aligned Ethernet addresses