crypto: add header include guards
Add header include guards in case they are included multiple times.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/sha512_base.h b/include/crypto/sha512_base.h
index 099be80..fb19c77 100644
--- a/include/crypto/sha512_base.h
+++ b/include/crypto/sha512_base.h
@@ -5,6 +5,9 @@
* Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
*/
+#ifndef _CRYPTO_SHA512_BASE_H
+#define _CRYPTO_SHA512_BASE_H
+
#include <crypto/internal/hash.h>
#include <crypto/sha.h>
#include <linux/crypto.h>
@@ -126,3 +129,5 @@ static inline int sha512_base_finish(struct shash_desc *desc, u8 *out)
*sctx = (struct sha512_state){};
return 0;
}
+
+#endif /* _CRYPTO_SHA512_BASE_H */
