free cleanup almost the finale

Add OPENSSL_clear_free which merges cleanse and free.
(Names was picked to be similar to BN_clear_free, etc.)
Removed OPENSSL_freeFunc macro.
Fixed the small simple ones that are left:
        CRYPTO_free CRYPTO_free_locked OPENSSL_free_locked

Reviewed-by: Richard Levitte <levitte@openssl.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/crypto/hmac/hm_pmeth.c b/crypto/hmac/hm_pmeth.c
index f2be144c8f..f53f78c898 100644
--- a/crypto/hmac/hm_pmeth.c
+++ b/crypto/hmac/hm_pmeth.c
@@ -113,13 +113,9 @@ static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
 static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
 {
     HMAC_PKEY_CTX *hctx = ctx->data;
+
     HMAC_CTX_cleanup(&hctx->ctx);
-    if (hctx->ktmp.data) {
-        if (hctx->ktmp.length)
-            OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
-        OPENSSL_free(hctx->ktmp.data);
-        hctx->ktmp.data = NULL;
-    }
+    OPENSSL_clear_free(hctx->ktmp.data, hctx->ktmp.length);
     OPENSSL_free(hctx);
 }