[PATCH 2/6] spi: loopback-test: don't skip comparing the first byte of rx_buf

[Akinobu Mita <akinobu.mita@xxxxxxxxx>]

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.

Cc: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
 drivers/spi/spi-loopback-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 99422f3..85c0c4e 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)
-- 
2.7.4

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