[PATCH v2 1/2] platform/x86: samsung-laptop: use octal numbers for rwx file permissions

Wolfram Sang
2021-05-04T17:00:41Z

Andy asked me to do it before working further on the code.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Change since v1: new patch

drivers/platform/x86/samsung-laptop.c | 35 +++++++++++----------------
1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index d5cec6e35bb8..763d97cbbe53 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -388,7 +388,7 @@ MODULE_PARM_DESC(force,
"Disable the DMI check and forces the driver to be loaded");

static bool debug;
-module_param(debug, bool, S_IRUGO | S_IWUSR);
+module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debug enabled or not");

static int sabi_command(struct samsung_laptop *samsung, u16 command,
@@ -705,7 +705,7 @@ static ssize_t set_performance_level(struct device *dev,
return count;
}

-static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(performance_level, 0644,
get_performance_level, set_performance_level);

static int read_battery_life_extender(struct samsung_laptop *samsung)
@@ -774,7 +774,7 @@ static ssize_t set_battery_life_extender(struct device *dev,
return count;
}

-static DEVICE_ATTR(battery_life_extender, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(battery_life_extender, 0644,
get_battery_life_extender, set_battery_life_extender);

static int read_usb_charge(struct samsung_laptop *samsung)
@@ -843,7 +843,7 @@ static ssize_t set_usb_charge(struct device *dev,
return count;
}

-static DEVICE_ATTR(usb_charge, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(usb_charge, 0644,
get_usb_charge, set_usb_charge);

static int read_lid_handling(struct samsung_laptop *samsung)
@@ -908,7 +908,7 @@ static ssize_t set_lid_handling(struct device *dev,
return count;
}

-static DEVICE_ATTR(lid_handling, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(lid_handling, 0644,
get_lid_handling, set_lid_handling);

static struct attribute *platform_attributes[] = {
@@ -1291,24 +1291,17 @@ static void samsung_debugfs_init(struct samsung_laptop *samsung)
samsung->debug.sdiag_wrapper.data = samsung->sdiag;
samsung->debug.sdiag_wrapper.size = strlen(samsung->sdiag);

- debugfs_create_u16("command", S_IRUGO | S_IWUSR, root,
- &samsung->debug.command);
- debugfs_create_u32("d0", S_IRUGO | S_IWUSR, root,
- &samsung->debug.data.d0);
- debugfs_create_u32("d1", S_IRUGO | S_IWUSR, root,
- &samsung->debug.data.d1);
- debugfs_create_u16("d2", S_IRUGO | S_IWUSR, root,
- &samsung->debug.data.d2);
- debugfs_create_u8("d3", S_IRUGO | S_IWUSR, root,
- &samsung->debug.data.d3);
- debugfs_create_blob("data", S_IRUGO | S_IWUSR, root,
- &samsung->debug.data_wrapper);
- debugfs_create_blob("f0000_segment", S_IRUSR | S_IWUSR, root,
+ debugfs_create_u16("command", 0644, root, &samsung->debug.command);
+ debugfs_create_u32("d0", 0644, root, &samsung->debug.data.d0);
+ debugfs_create_u32("d1", 0644, root, &samsung->debug.data.d1);
+ debugfs_create_u16("d2", 0644, root, &samsung->debug.data.d2);
+ debugfs_create_u8("d3", 0644, root, &samsung->debug.data.d3);
+ debugfs_create_blob("data", 0644, root, &samsung->debug.data_wrapper);
+ debugfs_create_blob("f0000_segment", 0600, root,
&samsung->debug.f0000_wrapper);
- debugfs_create_file("call", S_IFREG | S_IRUGO, root, samsung,
+ debugfs_create_file("call", S_IFREG | 0444, root, samsung,
&samsung_laptop_call_fops);
- debugfs_create_blob("sdiag", S_IRUGO | S_IWUSR, root,
- &samsung->debug.sdiag_wrapper);
+ debugfs_create_blob("sdiag", 0644, root, &samsung->debug.sdiag_wrapper);
}

static void samsung_sabi_exit(struct samsung_laptop *samsung)
--
2.30.0