diff --git a/include/net/raw.h b/include/net/raw.h
index 6a40c65..3e78900 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -57,7 +57,7 @@
 
 #endif
 
-void raw_hash_sk(struct sock *sk);
+int raw_hash_sk(struct sock *sk);
 void raw_unhash_sk(struct sock *sk);
 
 struct raw_sock {