From e78bb5dc2e0515dce2ac2c590d66405028b7ccd6 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Thu, 16 Aug 2007 05:15:03 +1000
Subject: [POWERPC] Fix i2c device string format
Use strlcpy() to guarantee strings in i2c device type and driver_name
fields are 0-terminated.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/sysdev/fsl_soc.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
(limited to 'arch')
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 727453d3e8b..565f57d777f 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -320,21 +320,26 @@ static struct i2c_driver_device i2c_devices[] __initdata = {
{"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
};
-static int __init of_find_i2c_driver(struct device_node *node, struct i2c_board_info *info)
+static int __init of_find_i2c_driver(struct device_node *node,
+ struct i2c_board_info *info)
{
int i;
for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
if (!of_device_is_compatible(node, i2c_devices[i].of_device))
continue;
- strncpy(info->driver_name, i2c_devices[i].i2c_driver, KOBJ_NAME_LEN);
- strncpy(info->type, i2c_devices[i].i2c_type, I2C_NAME_SIZE);
+ if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
+ KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
+ strlcpy(info->type, i2c_devices[i].i2c_type,
+ I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+ return -ENOMEM;
return 0;
}
return -ENODEV;
}
-static void __init of_register_i2c_devices(struct device_node *adap_node, int bus_num)
+static void __init of_register_i2c_devices(struct device_node *adap_node,
+ int bus_num)
{
struct device_node *node = NULL;
--
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