Make two NULL checks more explicit

diff --git a/lib/libcrypto/x509/x509_lib.c b/lib/libcrypto/x509/x509_lib.c
index 1772692..45ed940 100644 (file)
--- a/lib/libcrypto/x509/x509_lib.c
+++ b/lib/libcrypto/x509/x509_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509_lib.c,v 1.18 2024/05/11 18:48:47 tb Exp $ */
+/* $OpenBSD: x509_lib.c,v 1.19 2024/05/11 18:52:52 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 1999.
  */
@@ -176,10 +176,10 @@ X509V3_EXT_d2i(X509_EXTENSION *ext)
        const X509V3_EXT_METHOD *method;
        const unsigned char *p;
 
-       if (!(method = X509V3_EXT_get(ext)))
+       if ((method = X509V3_EXT_get(ext)) == NULL)
                return NULL;
        p = ext->value->data;
-       if (method->it)
+       if (method->it != NULL)
                return ASN1_item_d2i(NULL, &p, ext->value->length, method->it);
        return method->d2i(NULL, &p, ext->value->length);
 }