[PATCH] crypto: digest: provide static inline no-ops if digest is disabled

[Marc Kleine-Budde]

Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
---
 include/digest.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/digest.h b/include/digest.h
index 7c6711b32a56..3a9d305963ef 100644
--- a/include/digest.h
+++ b/include/digest.h
@@ -59,6 +59,7 @@ struct digest {
 /*
  * digest functions
  */
+#ifdef CONFIG_DIGEST
 int digest_algo_register(struct digest_algo *d);
 void digest_algo_unregister(struct digest_algo *d);
 void digest_algo_prints(const char *prefix);
@@ -76,6 +77,16 @@ int digest_file(struct digest *d, const char *filename,
 int digest_file_by_name(const char *algo, const char *filename,
 			unsigned char *hash,
 			const unsigned char *sig);
+#else
+static inline struct digest *digest_alloc(const char *name)
+{
+	return NULL;
+}
+
+static inline void digest_free(struct digest *d)
+{
+}
+#endif
 
 static inline int digest_init(struct digest *d)
 {
-- 
2.1.4