diff options
Diffstat (limited to 'drivers/spi/spi-ch341.c')
| -rw-r--r-- | drivers/spi/spi-ch341.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-ch341.c b/drivers/spi/spi-ch341.c index 46bc208f2d05..79d2f9ab4ef0 100644 --- a/drivers/spi/spi-ch341.c +++ b/drivers/spi/spi-ch341.c @@ -78,7 +78,7 @@ static int ch341_transfer_one(struct spi_controller *host, ch341->tx_buf[0] = CH341A_CMD_SPI_STREAM; - memcpy(ch341->tx_buf + 1, trans->tx_buf, len); + memcpy(ch341->tx_buf + 1, trans->tx_buf, len - 1); ret = usb_bulk_msg(ch341->udev, ch341->write_pipe, ch341->tx_buf, len, NULL, CH341_DEFAULT_TIMEOUT); |