all: Use NULL instead of "" when calling mp_raise exception helpers.

This is the established way of doing it and reduces code size by a little
bit.

4 files changed, 4 insertions, 4 deletions

diff --git a/extmod/modlwip.c b/extmod/modlwip.c
index f7e776af9..bbb01b5d7 100644
--- a/extmod/modlwip.c
+++ b/extmod/modlwip.c
@@ -1032,7 +1032,7 @@ STATIC mp_obj_t lwip_socket_sendall(mp_obj_t self_in, mp_obj_t buf_in) {
             break;
         }
         case MOD_NETWORK_SOCK_DGRAM:
-            mp_raise_NotImplementedError("");
+            mp_raise_NotImplementedError(NULL);
             break;
     }
 
diff --git a/extmod/modussl_axtls.c b/extmod/modussl_axtls.c
index 88a89a23d..719a65cd1 100644
--- a/extmod/modussl_axtls.c
+++ b/extmod/modussl_axtls.c
@@ -152,7 +152,7 @@ STATIC mp_obj_t socket_setblocking(mp_obj_t self_in, mp_obj_t flag_in) {
     // Currently supports only blocking mode
     (void)self_in;
     if (!mp_obj_is_true(flag_in)) {
-        mp_raise_NotImplementedError("");
+        mp_raise_NotImplementedError(NULL);
     }
     return mp_const_none;
 }
diff --git a/extmod/modutimeq.c b/extmod/modutimeq.c
index 94cbd20d2..620e7484b 100644
--- a/extmod/modutimeq.c
+++ b/extmod/modutimeq.c
@@ -146,7 +146,7 @@ STATIC mp_obj_t mod_utimeq_heappop(mp_obj_t heap_in, mp_obj_t list_ref) {
     }
     mp_obj_list_t *ret = MP_OBJ_TO_PTR(list_ref);
     if (!MP_OBJ_IS_TYPE(list_ref, &mp_type_list) || ret->len < 3) {
-        mp_raise_TypeError("");
+        mp_raise_TypeError(NULL);
     }
 
     struct qentry *item = &heap->items[0];
diff --git a/extmod/modwebrepl.c b/extmod/modwebrepl.c
index 4ff282aac..3aba5c0f1 100644
--- a/extmod/modwebrepl.c
+++ b/extmod/modwebrepl.c
@@ -308,7 +308,7 @@ STATIC mp_obj_t webrepl_set_password(mp_obj_t passwd_in) {
     size_t len;
     const char *passwd = mp_obj_str_get_data(passwd_in, &len);
     if (len > sizeof(webrepl_passwd) - 1) {
-        mp_raise_ValueError("");
+        mp_raise_ValueError(NULL);
     }
     strcpy(webrepl_passwd, passwd);
     return mp_const_none;