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Unverified Commit 578465ea authored by Clark Wang's avatar Clark Wang Committed by Mark Brown
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spi: lpspi: Add the missing NULL check 



The spi_transfer *t will be used in one transfer whatever. If t is NULL,
there has no need to try sending data, so add an error return here.

Signed-off-by: default avatarClark Wang <xiaoning.wang@nxp.com>
Acked-by: default avatarFugang Duan <Fugang.duan@nxp.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 09c04466

drivers/spi/spi-fsl-lpspi.c

+5 −2
Original line number Diff line number Diff line
@@ -438,9 +438,12 @@ static int fsl_lpspi_setup_transfer(struct spi_controller *controller, 
	struct fsl_lpspi_data *fsl_lpspi =

				spi_controller_get_devdata(spi->controller);



	if (t == NULL)

		return -EINVAL;



	fsl_lpspi->config.mode = spi->mode;

	fsl_lpspi->config.bpw = t ? t->bits_per_word : spi->bits_per_word;

	fsl_lpspi->config.speed_hz = t ? t->speed_hz : spi->max_speed_hz;

	fsl_lpspi->config.bpw = t->bits_per_word;

	fsl_lpspi->config.speed_hz = t->speed_hz;

	fsl_lpspi->config.chip_select = spi->chip_select;



	if (!fsl_lpspi->config.speed_hz)