[PATCH 07/11] net: tipc: Use crypto_stdrng_get_bytes()

[Eric Biggers <ebiggers@kernel.org>]

Replace the sequence of crypto_get_default_rng(),
crypto_rng_get_bytes(), and crypto_put_default_rng() with the equivalent
helper function crypto_stdrng_get_bytes().

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
 net/tipc/crypto.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index d3046a39ff72..6d3b6b89b1d1 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -365,21 +365,12 @@ int tipc_aead_key_validate(struct tipc_aead_key *ukey, struct genl_info *info)
  *
  * Return: 0 in case of success, otherwise < 0
  */
 static int tipc_aead_key_generate(struct tipc_aead_key *skey)
 {
-	int rc = 0;
-
-	/* Fill the key's content with a random value via RNG cipher */
-	rc = crypto_get_default_rng();
-	if (likely(!rc)) {
-		rc = crypto_rng_get_bytes(crypto_default_rng, skey->key,
-					  skey->keylen);
-		crypto_put_default_rng();
-	}
-
-	return rc;
+	/* Fill the key's content with a random value via stdrng */
+	return crypto_stdrng_get_bytes(skey->key, skey->keylen);
 }
 
 static struct tipc_aead *tipc_aead_get(struct tipc_aead __rcu *aead)
 {
 	struct tipc_aead *tmp;
-- 
2.53.0