1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/x509/v3_sxnet.c b/crypto/x509/v3_sxnet.c
index ddb2a0312e..072b8efe82 100644
--- a/crypto/x509/v3_sxnet.c
+++ b/crypto/x509/v3_sxnet.c
@@ -139,7 +139,8 @@ int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const char *user,
 {
     SXNET *sx = NULL;
     SXNETID *id = NULL;
-    if (!psx || !zone || !user) {
+
+    if (psx == NULL || zone == NULL || user == NULL) {
         X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,
                   X509V3_R_INVALID_NULL_ARGUMENT);
         return 0;