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 <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index b6a8149..2fec117 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;