shell: mqtt: fix call to bin2hex

Fixes: f2affbd973 ("os: lib: bin2hex: fix memory overwrite")
Signed-off-by: Yudong Zhang <mtwget@gmail.com>
This commit is contained in:
Yudong Zhang 2022-05-16 16:17:04 +08:00 committed by Carles Cufí
commit 47ea15edcd

View file

@ -86,7 +86,7 @@ bool __weak shell_mqtt_get_devid(char *id, int id_max_len)
}
(void)memset(id, 0, id_max_len);
length = bin2hex(hwinfo_id, (size_t)length, id, id_max_len - 1);
length = bin2hex(hwinfo_id, (size_t)length, id, id_max_len);
return length > 0;
}