Fix a few more leaks in *_print() functions.

ok jsing@

2 files changed, 28 insertions, 14 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_prn.c b/src/lib/libcrypto/dsa/dsa_prn.c
index a26f3cfc6a..a2063283ea 100644
--- a/src/lib/libcrypto/dsa/dsa_prn.c
+++ b/src/lib/libcrypto/dsa/dsa_prn.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_prn.c,v 1.7 2022/11/08 19:17:05 tobhe Exp $ */
+/* $OpenBSD: dsa_prn.c,v 1.8 2022/11/10 12:37:00 tobhe Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -116,12 +116,16 @@ int
 DSAparams_print(BIO *bp, const DSA *x)
 {
         EVP_PKEY *pk;
-        int ret;
+        int ret = 0;
+
+        if ((pk = EVP_PKEY_new()) == NULL)
+                goto err;
+
+        if (!EVP_PKEY_set1_DSA(pk, (DSA *)x))
+                goto err;
 
-        pk = EVP_PKEY_new();
-        if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
-                return 0;
         ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
+ err:
         EVP_PKEY_free(pk);
         return ret;
 }
diff --git a/src/lib/libcrypto/ec/eck_prn.c b/src/lib/libcrypto/ec/eck_prn.c
index c2fd2ebc85..058ae57de5 100644
--- a/src/lib/libcrypto/ec/eck_prn.c
+++ b/src/lib/libcrypto/ec/eck_prn.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: eck_prn.c,v 1.17 2021/04/20 17:12:43 tb Exp $ */
+/* $OpenBSD: eck_prn.c,v 1.18 2022/11/10 12:37:00 tobhe Exp $ */
 /*
  * Written by Nils Larsch for the OpenSSL project.
  */
@@ -121,11 +121,16 @@ int
 EC_KEY_print(BIO * bp, const EC_KEY * x, int off)
 {
         EVP_PKEY *pk;
-        int ret;
-        pk = EVP_PKEY_new();
-        if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
-                return 0;
+        int ret = 0;
+
+        if ((pk = EVP_PKEY_new()) == NULL)
+                goto err;
+
+        if (!EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
+                goto err;
+
         ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+ err:
         EVP_PKEY_free(pk);
         return ret;
 }
@@ -134,11 +139,16 @@ int
 ECParameters_print(BIO * bp, const EC_KEY * x)
 {
         EVP_PKEY *pk;
-        int ret;
-        pk = EVP_PKEY_new();
-        if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
-                return 0;
+        int ret = 0;
+
+        if ((pk = EVP_PKEY_new()) == NULL)
+                goto err;
+
+        if (!EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
+                goto err;
+
         ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
+ err:
         EVP_PKEY_free(pk);
         return ret;
 }