diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index b43a278..2f208c7 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -151,8 +151,9 @@
  *    each socket state is protected by separate rwlock.
  */
 
-static inline unsigned unix_hash_fold(unsigned hash)
+static inline unsigned unix_hash_fold(__wsum n)
 {
+	unsigned hash = (__force unsigned)n;
 	hash ^= hash>>16;
 	hash ^= hash>>8;
 	return hash&(UNIX_HASH_SIZE-1);