diff --git a/crypto/hash.c b/crypto/hash.c
index 4fd470b..7dcff67 100644
--- a/crypto/hash.c
+++ b/crypto/hash.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/seq_file.h>
 
 #include "internal.h"
@@ -46,7 +47,7 @@
 }
 
 static int hash_setkey(struct crypto_hash *crt, const u8 *key,
-		unsigned int keylen)
+		       unsigned int keylen)
 {
 	struct crypto_tfm *tfm = crypto_hash_tfm(crt);
 	struct hash_alg *alg = &tfm->__crt_alg->cra_hash;