From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Thu, 1 Oct 2009 22:44:32 +0000 (-0700)
Subject: spi-imx: initialize complete config struct
X-Git-Tag: firefly_0821_release~12226
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d1c627b59c8e69d40b94a4ff28a582a84c6a95a3;p=firefly-linux-kernel-4.4.55.git

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 b6a8149220fb..2fec1170b6c0 100644
--- 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;