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Author SHA1 Message Date
Justin Stitt
8046da444d hwmon: (asus_wmi_sensors) Replace deprecated strncpy() with strscpy() 
`strncpy` is deprecated for use on NUL-terminated destination strings [1].

We should prefer more robust and less ambiguous string interfaces.

A suitable replacement is `strscpy` [2] due to the fact that it
guarantees NUL-termination on the destination buffer without
unnecessarily NUL-padding. If, for any reason, NUL-padding is needed
let's opt for `strscpy_pad`.

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230914-strncpy-drivers-hwmon-asus_wmi_sensors-c-v1-1-e1703cf91693@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
 2023-09-29 14:48:31 -07:00
Christophe JAILLET
8e1187fe7a hwmon: (asus_wmi_sensors) Save a few bytes of memory 
The first 'for' loop of asus_wmi_configure_sensor_setup() only computes
the number and type of sensors that exist in the system.

Here, the 'temp_sensor' structure is only used to store the data collected
by asus_wmi_sensor_info(). There is no point in using a devm_ variant for
this allocation. This wastes some memory for no good reason.

Use the stack instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/e23cea6c489fabb109a61e8a33d146a6b74c0529.1656741926.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-07-13 08:39:42 -07:00
Denis Pauk
4fd45cc856 hwmon: (asus_wmi_sensors) Fix CROSSHAIR VI HERO name 
CROSSHAIR VI HERO motherboard is incorrectly named as
ROG CROSSHAIR VI HERO.

Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Link: https://lore.kernel.org/r/20220403193455.1363-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-04-04 06:55:45 -07:00
Denis Pauk
6dd0ea4c56 hwmon: (asus_wmi_sensors) add ASUS ROG STRIX B450-F GAMING II 
ASUS ROG STRIX B450-F GAMING II has support of the same WMI
monitoring method as ASUS ROG STRIX B450-F GAMING.

This commit adds "ASUS ROG STRIX B450-F GAMING II" to
the list of boards that can be monitored using ASUS WMI.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Tested-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220112214917.11662-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-02-27 17:03:17 -08:00
Dan Carpenter
3315e71699 hwmon: (asus_wmi_sensors) fix an array overflow 
Smatch detects this array overflow:

    drivers/hwmon/asus_wmi_sensors.c:569 asus_wmi_configure_sensor_setup()
    error: buffer overflow 'hwmon_attributes' 8 <= 9

The hwmon_attributes[] array should have "hwmon_max" so that it gets
larger when more attributes are added.

Fixes: 9d07e54a25b8 ("hwmon: (asus_wmi_sensors) Support X370 Asus WMI.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211130105117.GH5827@kili
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2021-12-26 15:02:06 -08:00
Denis Pauk
548820e21c hwmon: (asus_wmi_sensors) Support X370 Asus WMI. 
Provides a Linux kernel module "asus_wmi_sensors" that provides sensor
readouts via ASUS' WMI interface present in the UEFI of
X370/X470/B450/X399 Ryzen motherboards.

Supported motherboards:
* ROG CROSSHAIR VI HERO,
* PRIME X399-A,
* PRIME X470-PRO,
* ROG CROSSHAIR VI EXTREME,
* ROG CROSSHAIR VI HERO (WI-FI AC),
* ROG CROSSHAIR VII HERO,
* ROG CROSSHAIR VII HERO (WI-FI),
* ROG STRIX B450-E GAMING,
* ROG STRIX B450-F GAMING,
* ROG STRIX B450-I GAMING,
* ROG STRIX X399-E GAMING,
* ROG STRIX X470-F GAMING,
* ROG STRIX X470-I GAMING,
* ROG ZENITH EXTREME,
* ROG ZENITH EXTREME ALPHA.

Co-developed-by: Ed Brindley <kernel@maidavale.org>
Signed-off-by: Ed Brindley <kernel@maidavale.org>
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
[groeck: Squashed:
 "hwmon: Fix warnings in asus_wmi_sensors.rst documetation."]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2021-12-26 15:02:05 -08:00