Small tweak for X509_check_purpose()

ok jsing

1 files changed, 6 insertions, 4 deletions

diff --git a/src/lib/libcrypto/x509/x509_purp.c b/src/lib/libcrypto/x509/x509_purp.c
index 35f20e2bc3..1735e70cae 100644
--- a/src/lib/libcrypto/x509/x509_purp.c
+++ b/src/lib/libcrypto/x509/x509_purp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509_purp.c,v 1.35 2024/01/07 16:22:46 tb Exp $ */
+/* $OpenBSD: x509_purp.c,v 1.36 2024/02/28 16:26:08 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2001.
  */
@@ -177,10 +177,12 @@ X509_check_purpose(X509 *x, int id, int ca)
 
         if (id == -1)
                 return 1;
-        idx = X509_PURPOSE_get_by_id(id);
-        if (idx == -1)
+
+        if ((idx = X509_PURPOSE_get_by_id(id)) == -1)
+                return -1;
+        if ((pt = X509_PURPOSE_get0(idx)) == NULL)
                 return -1;
-        pt = X509_PURPOSE_get0(idx);
+
         return pt->check_purpose(pt, x, ca);
 }
 LCRYPTO_ALIAS(X509_check_purpose);