Make NULL checks in ec_asn1_group2curve() explicit

1 files changed, 5 insertions, 3 deletions

diff --git a/src/lib/libcrypto/ec/ec_asn1.c b/src/lib/libcrypto/ec/ec_asn1.c
index 8d0f032907..0fe187aeb1 100644
--- a/src/lib/libcrypto/ec/ec_asn1.c
+++ b/src/lib/libcrypto/ec/ec_asn1.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_asn1.c,v 1.71 2024/10/14 12:50:18 tb Exp $ */
+/* $OpenBSD: ec_asn1.c,v 1.72 2024/10/14 18:17:11 tb Exp $ */
 /*
  * Written by Nils Larsch for the OpenSSL project.
  */
@@ -637,8 +637,10 @@ ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
         BIGNUM *a = NULL, *b = NULL;
         int ret = 0;
 
-        if (!group || !curve || !curve->a || !curve->b)
-                return 0;
+        if (group == NULL)
+                goto err;
+        if (curve == NULL || curve->a == NULL || curve->b == NULL)
+                goto err;
 
         if ((a = BN_new()) == NULL || (b = BN_new()) == NULL) {
                 ECerror(ERR_R_MALLOC_FAILURE);