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bluetooth: fix set_ecdh_privkey() prototype

Message ID 20210322164637.941598-1-arnd@kernel.org
State New
Headers show
Series bluetooth: fix set_ecdh_privkey() prototype | expand

Commit Message

Arnd Bergmann March 22, 2021, 4:46 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

gcc-11 points out that the declaration does not match the definition:

net/bluetooth/ecdh_helper.c:122:55: error: argument 2 of type ‘const u8[32]’ {aka ‘const unsigned char[32]’} with mismatched bound [-Werror=array-parameter=]
  122 | int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 private_key[32])
      |                                              ~~~~~~~~~^~~~~~~~~~~~~~~
In file included from net/bluetooth/ecdh_helper.c:23:
net/bluetooth/ecdh_helper.h:28:56: note: previously declared as ‘const u8 *’ {aka ‘const unsigned char *’}
   28 | int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 *private_key);
      |                                              ~~~~~~~~~~^~~~~~~~~~~

Change the declaration to contain the size of the array, rather than
just a pointer.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 net/bluetooth/ecdh_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/bluetooth/ecdh_helper.h b/net/bluetooth/ecdh_helper.h
index a6f8d03d4aaf..830723971cf8 100644
--- a/net/bluetooth/ecdh_helper.h
+++ b/net/bluetooth/ecdh_helper.h
@@ -25,6 +25,6 @@ 
 
 int compute_ecdh_secret(struct crypto_kpp *tfm, const u8 pair_public_key[64],
 			u8 secret[32]);
-int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 *private_key);
+int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 private_key[32]);
 int generate_ecdh_public_key(struct crypto_kpp *tfm, u8 public_key[64]);
 int generate_ecdh_keys(struct crypto_kpp *tfm, u8 public_key[64]);