From: Geoff Thorpe <geoff@openssl.org>
Date: Mon, 2 Apr 2001 17:21:36 +0000 (+0000)
Subject: Actually there were two error cases that could return without releasing the
X-Git-Tag: OpenSSL_0_9_6c~182^2~296
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e4dc18d7e5bc46cb8909e4b12e87cda0b262892f;p=oweals%2Fopenssl.git

Actually there were two error cases that could return without releasing the
lock - stupidly, my last change addressed only one of them.
---

diff --git a/crypto/engine/engine_lib.c b/crypto/engine/engine_lib.c
index 781494d1a9..99b031fe96 100644
--- a/crypto/engine/engine_lib.c
+++ b/crypto/engine/engine_lib.c
@@ -288,20 +288,21 @@ EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
 
 int ENGINE_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
 	{
-	int ctrl_exists;
+	int ctrl_exists, ref_exists;
 	if(e == NULL)
 		{
 		ENGINEerr(ENGINE_F_ENGINE_CTRL,ERR_R_PASSED_NULL_PARAMETER);
 		return 0;
 		}
 	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-	if(e->struct_ref == 0)
+	ref_exists = ((e->struct_ref > 0) ? 1 : 0);
+	ctrl_exists = (e->ctrl ? 1 : 0);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	if(!ref_exists)
 		{
 		ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_REFERENCE);
 		return 0;
 		}
-	ctrl_exists = (e->ctrl ? 1 : 0);
-	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 	if (!ctrl_exists)
 		{
 		ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_CONTROL_FUNCTION);