Re: [PATCH] Update min() to min_t()

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On Tue, Sep 21, 2021 at 09:11:25PM +0200, Philipp Hortmann wrote:
> On 9/21/21 8:04 AM, Greg KH wrote:
> > On Tue, Sep 21, 2021 at 07:52:46AM +0200, Philipp Hortmann wrote:
> > > diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
> > > index 2dc58766273a..d87deee3e26e 100644
> > > --- a/drivers/usb/usb-skeleton.c
> > > +++ b/drivers/usb/usb-skeleton.c
> > > @@ -363,7 +363,7 @@ static ssize_t skel_write(struct file *file, const char *user_buffer,
> > >   	int retval = 0;
> > >   	struct urb *urb = NULL;
> > >   	char *buf = NULL;
> > > -	size_t writesize = min(count, (size_t)MAX_TRANSFER);
> > > +	size_t writesize = min_t(size_t, count, MAX_TRANSFER);
> > >   	dev = file->private_data;
> > > -- 
> > > 2.25.1
> > > 
> > 
> > Has anyone actually built this driver in a while?
> > 
> > thanks,
> > 
> > greg k-h
> > 
> Hi,
> 
> I have build and loaded the driver. To me this seems OK.
> 
> dmesg from loading:
> usb_skeleton: loading out-of-tree module taints kernel.
> usb_skeleton: module verification failed: signature and/or required key
> missing - tainting kernel
> usbcore: registered new interface driver skeleton
> 
> dmesg from unloading:
> usbcore: deregistering interface driver skeleton
> 
> Used kernel 5.15.0-rc1+

Great, can you resend a v2 of this with a fixed up subject line please?

thanks,

greg k-h



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