hdzero: check size

BossHobby · Sep 24, 2023 · 1ce807d · 1ce807d
1 parent 95ea509
commit 1ce807d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/driver/serial_hdzero.c b/src/driver/serial_hdzero.c
@@ -90,7 +90,7 @@ static void hdzero_msp_send(msp_magic_t magic, uint8_t direction, uint16_t cmd,
     buf[size++] = crc8_dvb_s2_data(crc, data, len);
 
     serial_write_bytes(&serial_hdzero, buf, size);
-  } else {
+  } else if (len < 255) {
     if (serial_bytes_free(&serial_hdzero) < (len + MSP_HEADER_LEN + 1)) {
       return;
     }