Re: [patch 2/3] vdso: improve print_fatal_signals support by adding memory maps

[Andrew Morton <akpm@osdl.org>]

On Sat, 17 Jun 2006 21:58:18 -0700
"Randy.Dunlap" <rdunlap@xenotime.net> wrote:

> On Sat, 17 Jun 2006 16:14:52 +0200 Simon Raffeiner wrote:
> 
> > When compiling 2.6.17-rc6-mm2 (which contains this patch) my gcc 4.0.3 (Ubuntu 
> > 4.0.3-1ubuntu5) complains about "int len;" being used uninitialized in 
> > print_vma(). AFAICS len is not initialized and then passed to 
> > pad_len_spaces(int len), which uses it for some calculations.
> > 
> > I also noticed that similar code is used in fs/proc/task_mmu.c, where 
> > show_map_internal() passes an uninitialised int len; to pad_len_spaces(struct 
> > seq_file *m, int len).
> 
> Ack both of those.  And both of them pass &len as a parameter to
> printk/seq_printf where it looks as though they want just <len>
> (after it has been initialized).
> 

printk("%n", &len) will initialise `len'.  gcc is being wrong again.