[PATCH 2/5] crypto: cast6 - use memcpy_and_pad() in __cast6_setkey()

[Thorsten Blum <blum@kernel.org>]

Use memcpy_and_pad() instead of separate memcpy() and memset() calls to
simplify __cast6_setkey().

Signed-off-by: Thorsten Blum <blum@kernel.org>
---
 crypto/cast6_generic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/crypto/cast6_generic.c b/crypto/cast6_generic.c
index 4c08c42646f0..9b6bdd2aa511 100644
--- a/crypto/cast6_generic.c
+++ b/crypto/cast6_generic.c
@@ -112,8 +112,7 @@ int __cast6_setkey(struct cast6_ctx *c, const u8 *in_key, unsigned int key_len)
 	if (key_len % 4 != 0)
 		return -EINVAL;
 
-	memset(p_key, 0, 32);
-	memcpy(p_key, in_key, key_len);
+	memcpy_and_pad(p_key, sizeof(p_key), in_key, key_len, 0);
 
 	key[0] = be32_to_cpu(p_key[0]);		/* A */
 	key[1] = be32_to_cpu(p_key[1]);		/* B */