Re: [PATCH] i2c-hid: explicitly cast parametrs to follow specifiers

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On Wed, 2013-09-04 at 13:17 +0200, Jiri Kosina wrote: 
> On Tue, 25 Jun 2013, Andy Shevchenko wrote:
> 
> > The vendor and product parameters are defined as __u32, but used as short int.
> > Let's do an explicit casting for them.
> 
> Is this fixing any compiler warning you have seen?

It was found by static analyzer.

> 
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/hid/i2c-hid/i2c-hid.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
> > index 879b0ed..d595f2a 100644
> > --- a/drivers/hid/i2c-hid/i2c-hid.c
> > +++ b/drivers/hid/i2c-hid/i2c-hid.c
> > @@ -1009,7 +1009,7 @@ static int i2c_hid_probe(struct i2c_client *client,
> >  	hid->product = le16_to_cpu(ihid->hdesc.wProductID);
> >  
> >  	snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX",
> > -		 client->name, hid->vendor, hid->product);
> > +		 client->name, (short int)hid->vendor, (short int)hid->product);

...and it's probably better to use (unsigned short int) if this patch is
going anywhere.

> >  
> >  	ret = hid_add_device(hid);
> >  	if (ret) {
> > -- 
> > 1.8.3.1
> > 
> 

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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