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extmod/modlwip: Fix IGMP address type when IPv6 is enabled.

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This was missed in 628abf8f25.  The the bug
was that, when IPv6 is enabled, the `sizeof(ip_addr_t)` is much larger than
IPv4 size, which is what's needed for IGMP addressing.

Fixes issue #16100.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2024-10-31 12:41:17 +11:00
parent 85053adb24
commit 919756cea4
1 changed files with 1 additions and 1 deletions
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2
extmod/modlwip.c
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@ -1432,7 +1432,7 @@ static mp_obj_t lwip_socket_setsockopt(size_t n_args, const mp_obj_t *args) {
case IP_DROP_MEMBERSHIP: {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
if (bufinfo.len != sizeof(ip_addr_t) * 2) {
if (bufinfo.len != sizeof(MP_IGMP_IP_ADDR_TYPE) * 2) {
mp_raise_ValueError(NULL);
}