From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 26 Jan 2016 14:14:36 +0000 (+0800)
Subject: crypto: skcipher - Add helper to retrieve driver name
X-Git-Tag: v5.15~13898^2~95
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a2d382a4f1ffea4f303d906cc63e4b99edc32c1a;p=platform%2Fkernel%2Flinux-starfive.git

crypto: skcipher - Add helper to retrieve driver name

This patch adds the helper crypto_skcipher_driver_name which returns
the driver name of the alg object for a given tfm.  This is needed by
ecryptfs.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index f7a03a1..5bb7056 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -231,6 +231,12 @@ static inline int crypto_has_skcipher(const char *alg_name, u32 type,
 			      crypto_skcipher_mask(mask));
 }
 
+static inline const char *crypto_skcipher_driver_name(
+	struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_alg_name(crypto_skcipher_tfm(tfm));
+}
+
 /**
  * crypto_skcipher_ivsize() - obtain IV size
  * @tfm: cipher handle