linux-kernel - Re: linux-next: Tree for October 21 (printk format warnings)

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Message-Id: <20081021220951.9f8b0760.randy.dunlap@oracle.com>
Date:	Tue, 21 Oct 2008 22:09:51 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Greg KH <greg@...ah.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for October 21 (printk format warnings)

On Tue, 21 Oct 2008 22:01:42 -0700 Greg KH wrote:

> On Tue, Oct 21, 2008 at 09:57:25PM -0700, Randy Dunlap wrote:
> > On Tue, 21 Oct 2008 19:51:09 +1100 Stephen Rothwell wrote:
> > 
> > 
> > printk format warnings summary:
> > 
> > i386:
> > 
> > linux-next-20081021/drivers/pci/hotplug/acpiphp_ibm.c:207: warning: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'long long unsigned int'
> > 
> > linux-next-20081021/drivers/misc/intel_menlow.c:107: warning: format '%ld' expects type 'long int', but argument 3 has type 'long long unsigned int'
> > 
> > x86_64:
> > 
> > linux-next-20081021/drivers/pci/hotplug/acpiphp_ibm.c:207: warning: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'long long unsigned int'
> > 
> > linux-next-20081021/drivers/usb/misc/vstusb.c:623: warning: format '%d' expects type 'int', but argument 5 has type 'size_t'
> 
> Crap.  What's the expected modifier for "size_t" to work on all arches?
> 
> Same goes for the result of "size_of()", what should we use there?  Or
> are we just required to always cast things?

sizeof() is a type size_t.  Both of them should use "%zu".
ssize_t (signed) should use "%zd".

---
~Randy
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