linux-kernel - Re: [PATCH 18/22] usb: gadget: serial: %pF is only for function pointers

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Date:	Thu, 12 Mar 2015 00:27:07 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	<balbi@...com>
CC:	<trivial@...nel.org>, <linux-kernel@...r.kernel.org>,
	<linux-usb@...r.kernel.org>
Subject: Re: [PATCH 18/22] usb: gadget: serial: %pF is only for function
 pointers

On Wed, 2015-03-11 at 23:45 -0500, Felipe Balbi wrote:
> On Wed, Mar 11, 2015 at 10:13:53PM -0500, Scott Wood wrote:
> > Use %pS for actual addresses, otherwise you'll get bad output
> > on arches like ppc64 where %pF expects a function descriptor.
> > 
> > Signed-off-by: Scott Wood <scottwood@...escale.com>
> > Cc: linux-usb@...r.kernel.org
> > Cc: Felipe Balbi <balbi@...com>
> > ---
> >  drivers/usb/gadget/function/u_serial.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
> > index 491082a..89179ab 100644
> > --- a/drivers/usb/gadget/function/u_serial.c
> > +++ b/drivers/usb/gadget/function/u_serial.c
> > @@ -912,7 +912,7 @@ static int gs_put_char(struct tty_struct *tty, unsigned char ch)
> >  	unsigned long	flags;
> >  	int		status;
> >  
> > -	pr_vdebug("gs_put_char: (%d,%p) char=0x%x, called from %pf\n",
> > +	pr_vdebug("gs_put_char: (%d,%p) char=0x%x, called from %ps\n",
>                                                                  ^
> 								 S ??

%ps is the non-function-pointer version of %pf.  %pS is the
non-function-pointer version of %pF.  I didn't change the capitalization
of any of these -- if that's warranted in some places, it's outside the
scope of this treewide patchset.

-Scott


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