Make ENGINE_free() succeed on NULL. Matches OpenSSL's behavior and

simplifies the caller side.

tested by & ok inoguchi; discussed with schwarze

1 files changed, 6 insertions, 6 deletions

diff --git a/src/lib/libcrypto/engine/eng_aesni.c b/src/lib/libcrypto/engine/eng_aesni.c
index cd14bbc8cd..586f74792a 100644
--- a/src/lib/libcrypto/engine/eng_aesni.c
+++ b/src/lib/libcrypto/engine/eng_aesni.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: eng_aesni.c,v 1.10 2017/01/29 17:49:23 beck Exp $ */
+/* $OpenBSD: eng_aesni.c,v 1.11 2018/04/14 07:18:37 tb Exp $ */
 /*
  * Support for Intel AES-NI intruction set
  *   Author: Huang Ying <ying.huang@intel.com>
@@ -102,12 +102,12 @@ void ENGINE_load_aesni(void)
 /* On non-x86 CPUs it just returns. */
 #ifdef COMPILE_HW_AESNI
         ENGINE *toadd = ENGINE_aesni();
-        if (!toadd)
+        if (toadd == NULL)
                 return;
-        ENGINE_add (toadd);
-        ENGINE_register_complete (toadd);
-        ENGINE_free (toadd);
-        ERR_clear_error ();
+        ENGINE_add(toadd);
+        ENGINE_register_complete(toadd);
+        ENGINE_free(toadd);
+        ERR_clear_error();
 #endif
 }