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

From: Sergei Shtylyov
Date: Thu Mar 12 2015 - 08:36:47 EST


Hello.

On 3/12/2015 6:13 AM, Scott Wood wrote:

Use %pS for actual addresses, otherwise you'll get bad output

%pS or %ps?

on arches like ppc64 where %pF expects a function descriptor.

%pF or %pf? And what is a function descriptor?

Signed-off-by: Scott Wood <scottwood@xxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: Felipe Balbi <balbi@xxxxxx>
[...]

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",
port->port_num, tty, ch, __builtin_return_address(0));
[...]

WBR, Sergei

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