From: Akinobu Mita Date: Fri, 17 Mar 2017 18:17:27 +0000 (+0900) Subject: spi: loopback-test: don't skip comparing the first byte of rx_buf X-Git-Tag: v4.12-rc1~110^2~1^6~6 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8494801db1fc21867f587dae465236100bf228cc;p=linux-2.6-block.git spi: loopback-test: don't skip comparing the first byte of rx_buf When the loopback parameter is set, rx_buf are compared with tx_buf after the spi_message is executed. But the first byte of buffer is not checked. Signed-off-by: Akinobu Mita Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 99422f3a15e0..85c0c4e391d9 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -507,7 +507,7 @@ static int spi_test_check_loopback_result(struct spi_device *spi, continue; /* so depending on tx_buf we need to handle things */ if (xfer->tx_buf) { - for (i = 1; i < xfer->len; i++) { + for (i = 0; i < xfer->len; i++) { txb = ((u8 *)xfer->tx_buf)[i]; rxb = ((u8 *)xfer->rx_buf)[i]; if (txb != rxb)