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extmod/modlwip: Workaround esp8266 sendto issue where 1 is returned.

This commit is contained in:
Damien George 2016-04-26 13:19:08 +01:00
parent a63542387d
commit 45ac5a85d5
1 changed files with 4 additions and 1 deletions
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5
extmod/modlwip.c
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@ -379,7 +379,10 @@ STATIC mp_uint_t lwip_udp_send(lwip_socket_obj_t *socket, const byte *buf, mp_ui
pbuf_free(p);
if (err != ERR_OK) {
// udp_sendto can return 1 on occasion for ESP8266 port. It's not known why
// but it seems that the send actually goes through without error in this case.
// So we treat such cases as a success until further investigation.
if (err != ERR_OK && err != 1) {
*_errno = error_lookup_table[-err];
return -1;
}