From: Shawn Lin <shawn.lin@rock-chips.com>
Date: Thu, 10 Mar 2016 06:52:27 +0000 (+0800)
Subject: spi: rockchip: covert rsd_nsecs to u32 type
X-Git-Tag: v4.6-rc1~148^2^3
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=108b5c8bba6be101100596bf37a165214e1c8458;p=linux.git

spi: rockchip: covert rsd_nsecs to u32 type

rsd_nsecs is defined as u8 memeber of struct rockchip_spi,
but using of_property_read_u32. That means we take risk of
truncation by type conversion if we pass on big value from
dt.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 1b54f2f18021..5488597cfad4 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -173,7 +173,7 @@ struct rockchip_spi {
 	u8 tmode;
 	u8 bpw;
 	u8 n_bytes;
-	u8 rsd_nsecs;
+	u32 rsd_nsecs;
 	unsigned len;
 	u32 speed;