spi-imx: initialize complete config struct

Otherwise the config function uses random data from the stack.  This
didn't stick out because config is called once more in the chipselect
function with correct parameters.

Signed-off-by: Uwe Kleine-König <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index b6a8149220fb7c11826209e80cfc47e85de45775..2fec1170b6c0dff1e215c07b9110a275964a0cb0 100644 (file)
--- a/drivers/spi/spi_imx.c
+++ b/drivers/spi/spi_imx.c
@@ -442,6 +442,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
        config.bpw = t ? t->bits_per_word : spi->bits_per_word;
        config.speed_hz  = t ? t->speed_hz : spi->max_speed_hz;
        config.mode = spi->mode;
+       config.cs = spi_imx->chipselect[spi->chip_select];
 
        if (!config.speed_hz)
                config.speed_hz = spi->max_speed_hz;