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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-kernel@vger.kernel.org
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	Corentin Chary <corentin.chary@gmail.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Mark Gross <mgross@linux.intel.com>,
	platform-driver-x86@vger.kernel.org
Subject: [PATCH v2 1/2] platform/x86: samsung-laptop: use octal numbers for rwx file permissions
Date: Tue,  4 May 2021 19:00:28 +0200	[thread overview]
Message-ID: <20210504170030.58447-1-wsa+renesas@sang-engineering.com> (raw)

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


             reply	other threads:[~2021-05-04 17:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-04 17:00 Wolfram Sang [this message]
2021-05-04 17:00 ` [PATCH v2 2/2] platform/x86: samsung-laptop: set debugfs blobs to read only Wolfram Sang
2021-05-04 17:38   ` Andy Shevchenko
2021-05-04 18:10     ` Wolfram Sang
2021-05-04 17:35 ` [PATCH v2 1/2] platform/x86: samsung-laptop: use octal numbers for rwx file permissions Andy Shevchenko
2021-05-04 17:37   ` Andy Shevchenko
2021-05-17 10:02     ` Wolfram Sang

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