Re: [PATCH] hwmon: asus_wmi_sensors: Fix info[] allocation type

[Guenter Roeck <linux@roeck-us.net>]

On Thu, Sep 17, 2026 at 02:13:33PM -0700, Kees Cook wrote:
> From: Kees Cook <kees+treewide@kernel.org>
> 
> In preparation for making the devm_kmalloc family of allocators type
> aware, we need to make sure that the returned type from the allocation
> matches the type of the variable being assigned. (Before, the allocator
> would always return "void *", which can be implicitly cast to any
> pointer type.)
> 
> The assigned type of "sensor_data->wmi.info[type]" is
> "const struct asus_wmi_sensor_info **", but the converted allocation
> type would be "const struct asus_wmi_sensor_info ***", as the size was
> taken from "*sensor_data->wmi.info", which is one level of indirection
> too many. Luckily both element types are pointers of the same size. Take
> the size from the element type of the assignment target.
> 
> Build tested ARCH=x86_64 allmodconfig with GCC 16.2.0:
> drivers/hwmon/asus_wmi_sensors.o
> 
> Assisted-by: LLM coccinelle
> Signed-off-by: Kees Cook <kees+treewide@kernel.org>

Applied.

Thanks,
Guenter