Re: [PATCH] ACPI: thermal: Use strscpy() instead of strcpy()

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On Fri, Sep 13, 2024 at 09:31:57PM GMT, Christophe JAILLET wrote:
> Le 13/09/2024 � 21:12, Abdul Rahim a �crit�:
> > strcpy() is generally considered unsafe and use of strscpy() is
> > recommended [1]
> > 
> > this fixes checkpatch warning:
> >      WARNING: Prefer strscpy over strcpy
> > 
> > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]
> > Signed-off-by: Abdul Rahim <abdul.rahim@xxxxxxxxxxx>
> 
> Hi,
> 
> in order to ease the review process, when you send a new version of a patch,
> the subject line should state the version: (i.e.: [PATCH v2] ...)
> 
> 
> It is also a good practice to explain what has changed with the previous
> version.
> Finally, it is nice to provide the link on lore to the previous version.
> All this should added below the first ---.
> Here it could look like:
> 
> > ---
> 
> Changes in v2:
>   - Remove an unneeded extra parameter (MAX_ACPI_DEVICE_NAME_LEN) in the 2nd
> strscpy() call
> 
> v1:
> https://lore.kernel.org/all/20240912205922.302036-1-abdul.rahim@xxxxxxxxxxx/
> 
> CJ
> 
> >   drivers/acpi/thermal.c | 6 +++---
> >   1 file changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
> > index 78db38c7076e..6671537cb4b7 100644
> > --- a/drivers/acpi/thermal.c
> > +++ b/drivers/acpi/thermal.c
> > @@ -796,9 +796,9 @@ static int acpi_thermal_add(struct acpi_device *device)
> >   		return -ENOMEM;
> >   	tz->device = device;
> > -	strcpy(tz->name, device->pnp.bus_id);
> > -	strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
> > -	strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
> > +	strscpy(tz->name, device->pnp.bus_id);
> > +	strscpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
> > +	strscpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
> >   	device->driver_data = tz;
> >   	acpi_thermal_aml_dependency_fix(tz);
> 
> 

Thanks CJ,

https://lore.kernel.org/all/20240913211156.103864-1-abdul.rahim@xxxxxxxxxxx/




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