From: Tudor-Dan Ambarus <tudor.ambarus@microchip.com>
Date: Fri, 29 Sep 2017 09:13:08 +0000 (+0300)
Subject: crypto: ecdh - return unsigned value for crypto_ecdh_key_len()
X-Git-Tag: v4.15-rc1~139^2~102
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6e97e08d4311d2413df0e891a10301bf4258fe3e;p=linux.git

crypto: ecdh - return unsigned value for crypto_ecdh_key_len()

ECDH_KPP_SECRET_MIN_SIZE and params->key_size are both returning
unsigned values.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/ecdh_helper.c b/crypto/ecdh_helper.c
index f05bea5fd257..d3af8e8b0b5e 100644
--- a/crypto/ecdh_helper.c
+++ b/crypto/ecdh_helper.c
@@ -28,7 +28,7 @@ static inline const u8 *ecdh_unpack_data(void *dst, const void *src, size_t sz)
 	return src + sz;
 }
 
-int crypto_ecdh_key_len(const struct ecdh *params)
+unsigned int crypto_ecdh_key_len(const struct ecdh *params)
 {
 	return ECDH_KPP_SECRET_MIN_SIZE + params->key_size;
 }
diff --git a/include/crypto/ecdh.h b/include/crypto/ecdh.h
index 1aff2a8a3a68..d696317c43a8 100644
--- a/include/crypto/ecdh.h
+++ b/include/crypto/ecdh.h
@@ -54,7 +54,7 @@ struct ecdh {
  *
  * Return: size of the key in bytes
  */
-int crypto_ecdh_key_len(const struct ecdh *params);
+unsigned int crypto_ecdh_key_len(const struct ecdh *params);
 
 /**
  * crypto_ecdh_encode_key() - encode the private key