From: Kurt Roeckx <kurt@roeckx.be>
Date: Sat, 11 Apr 2015 15:08:38 +0000 (+0200)
Subject: X509_VERIFY_PARAM_free: Check param for NULL
X-Git-Tag: OpenSSL_1_0_2b~133
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=f6cddcccc89bd27c09c2c659c0bdbf40647f6ead

X509_VERIFY_PARAM_free: Check param for NULL

Reviewed-by: Viktor Dukhovni <openssl-users@dukhovni.org>
(cherry picked from commit f49baeff50d0be9c8d86aed6fb4a08841aa3da41)
---

diff --git a/crypto/x509/x509_vpm.c b/crypto/x509/x509_vpm.c
index 322239401e..9f7647fac2 100644
--- a/crypto/x509/x509_vpm.c
+++ b/crypto/x509/x509_vpm.c
@@ -189,6 +189,8 @@ X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void)
 
 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param)
 {
+    if (param == NULL)
+        return;
     x509_verify_param_zero(param);
     OPENSSL_free(param->id);
     OPENSSL_free(param);