linux-kernel - Re: [PATCH] use %p for pointers

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Date:	Wed, 11 Oct 2006 13:16:56 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Al Viro <viro@....linux.org.uk>
cc:	torvalds@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] use %p for pointers


>diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
>index ddc0681..b30372f 100644
>--- a/drivers/sbus/char/uctrl.c
>+++ b/drivers/sbus/char/uctrl.c
>@@ -400,7 +400,7 @@ static int __init ts102_uctrl_init(void)
> 	}
> 
> 	driver->regs->uctrl_intr = UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK;
>-	printk("uctrl: 0x%x (irq %d)\n", driver->regs, driver->irq);
>+	printk("uctrl: 0x%p (irq %d)\n", driver->regs, driver->irq);

So what's the difference, except that %p will evaluate to (nil) or 
(null) when the argument is 0 [this is the case with glibc]?
That would print 0x(nil).


	-`J'
-- 
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