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gadget: Use vsprintf extention %pf with builtin_return_address

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Emit the function name not the address when possible.

builtin_return_address() gives an address.  When building
a kernel with CONFIG_KALLSYMS, emit the actual function
name not the address.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Joe Perches 2012-02-28 10:49:38 -08:00 committed by Jiri Kosina
parent 2975b02316
commit bfa346ad6b
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/u_serial.c
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@ -920,7 +920,7 @@ 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 %p\n",
pr_vdebug("gs_put_char: (%d,%p) char=0x%x, called from %pf\n",
port->port_num, tty, ch, __builtin_return_address(0));
spin_lock_irqsave(&port->port_lock, flags);