Use NULL, not 0 for pointers and use an explicit comparison against NULL.

diff --git a/lib/libcrypto/ec/ecp_oct.c b/lib/libcrypto/ec/ecp_oct.c
index 8cdf544..b3cf441 100644 (file)
--- a/lib/libcrypto/ec/ecp_oct.c
+++ b/lib/libcrypto/ec/ecp_oct.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ecp_oct.c,v 1.20 2023/04/11 18:58:20 jsing Exp $ */
+/* $OpenBSD: ecp_oct.c,v 1.21 2023/04/18 18:29:32 tb Exp $ */
 /* Includes code written by Lenka Fibikova <fibikova@exp-math.uni-essen.de>
  * for the OpenSSL project.
  * Includes code written by Bodo Moeller for the OpenSSL project.
@@ -97,7 +97,7 @@ ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,
        /* tmp1 := x^3 */
        if (!BN_nnmod(x, x_, &group->field, ctx))
                goto err;
-       if (group->meth->field_decode == 0) {
+       if (group->meth->field_decode == NULL) {
                /* field_{sqr,mul} work on standard representation */
                if (!group->meth->field_sqr(group, tmp2, x_, ctx))
                        goto err;
@@ -135,7 +135,7 @@ ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,
        }
 
        /* tmp1 := tmp1 + b */
-       if (group->meth->field_decode) {
+       if (group->meth->field_decode != NULL) {
                if (!group->meth->field_decode(group, tmp2, &group->b, ctx))
                        goto err;
                if (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field))