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 <[email protected]> Signed-off-by: Mark Brown <[email protected]>
CamonZ · Mar 17, 2017 · 8494801 · 8494801
1 parent c4e121a
commit 8494801
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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)