On Fri, 27 Apr 2007 19:50:19 -0700 Roland Dreier <[email protected]> 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.
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