[PATCH 8/8] spi: loopback-test: limit length to spi_max_transfer_size()

[Frode Isaksen <fisaksen@xxxxxxxxxxxx>]

Limit length to spi_max_transfer_size() in the
spi loopback test driver.

Signed-off-by: Frode Isaksen <fisaksen@xxxxxxxxxxxx>
---
 drivers/spi/spi-loopback-test.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 5618df3..e1e698e 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -796,6 +796,9 @@ static int spi_test_run_iter(struct spi_device *spi,
 		return 0;
 	}
 
+	/* limit length to spi max transfer size */
+	len = min(spi_max_transfer_size(spi), len);
+
 	/* write out info */
 	if (!(len || tx_off || rx_off)) {
 		dev_info(&spi->dev, "Running test %s\n", test.description);
-- 
2.7.4

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