eng_devcrypto: don't leak methods tables

Call functions to prepare methods after confirming that /dev/crytpo was
sucessfully open and that the destroy function has been set.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7585)

(cherry picked from commit d9d4dff5c640990d45af115353fc9f88a497a56c)

diff --git a/crypto/engine/eng_devcrypto.c b/crypto/engine/eng_devcrypto.c
index 4a0ba09a38bec178f58eabbece9ff96b15827ce7..ee26398b693d8cb2c8f6e458639f324ae7eb0ab7 100644 (file)
--- a/crypto/engine/eng_devcrypto.c
+++ b/crypto/engine/eng_devcrypto.c
@@ -619,11 +619,6 @@ void engine_load_devcrypto_int()
         return;
     }
 
-    prepare_cipher_methods();
-#ifdef IMPLEMENT_DIGEST
-    prepare_digest_methods();
-#endif
-
     if ((e = ENGINE_new()) == NULL
         || !ENGINE_set_destroy_function(e, devcrypto_unload)) {
         ENGINE_free(e);
@@ -636,6 +631,11 @@ void engine_load_devcrypto_int()
         return;
     }
 
+    prepare_cipher_methods();
+#ifdef IMPLEMENT_DIGEST
+    prepare_digest_methods();
+#endif
+
     if (!ENGINE_set_id(e, "devcrypto")
         || !ENGINE_set_name(e, "/dev/crypto engine")