Re: commit 45cd8d8e -- why?

From: Tejun Heo
Date: Sat Apr 28 2007 - 00:54:35 EST


Andrew Morton wrote:
> On Fri, 27 Apr 2007 19:50:19 -0700 Roland Dreier <rdreier@xxxxxxxxx> wrote:
>
>> The changelog says:
>>
>> fs/sysfs/bin.c: In function 'read':
>> fs/sysfs/bin.c:77: warning: format '%zd' expects type 'signed size_t', but argument 4 has type 'int'
>>
>> but the signature of the function read() is
>>
>> read(struct file * file, char __user * userbuf, size_t count, loff_t * off)
>>
>> and git blame seems to show it was always thus -- ie count was always size_t.
>>
>> And now on x86-64 and ia64 with gcc 4.1 at least, I get:
>>
>> fs/sysfs/bin.c: In function 'read':
>> fs/sysfs/bin.c:62: warning: format '%d' expects type 'int', but argument 4 has type 'size_t'
>
> Some patches landed out of order. In Greg's tree (with Tejun's patches)
> `count' is a local variable (not an incoming arg) of type `int'.
>
> So this patch was against Tejun's stuff, not against mainline.
>
> I'd have picked that up, but I went and assumed that it was a victim of the
> new dev_dbg() printk arg checking stuff. Ho hum.

Ah.. I already have this fix merged in my patch series. I'm currently
testing things, so please be patient a little bit more. Thanks.

--
tejun
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