Re: [PATCH] acct: fix build warning when ACCT_VERSION != 3

[Luis Henriques <luis.henriques@canonical.com>]

On Thu, Oct 02, 2014 at 02:09:45PM -0700, Andrew Morton wrote:
> On Thu, 2 Oct 2014 00:06:53 +0100 Luis Henriques <luis.henriques@canonical.com> wrote:
> 
> > struct pid_namespace *ns is used only when ACCT_VERSION is 3.
> > 
> > kernel/acct.c:475:24: warning: unused variable 'ns' [-Wunused-variable]
> > 
> > Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
> > ---
> >  kernel/acct.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/kernel/acct.c b/kernel/acct.c
> > index b4c667d22e79..5f277f5c5e29 100644
> > --- a/kernel/acct.c
> > +++ b/kernel/acct.c
> > @@ -472,7 +472,9 @@ static void do_acct_process(struct bsd_acct_struct *acct)
> >  	acct_t ac;
> >  	unsigned long flim;
> >  	const struct cred *orig_cred;
> > +#if ACCT_VERSION == 3
> >  	struct pid_namespace *ns = acct->ns;
> > +#endif
> >  	struct file *file = acct->file;
> >  
> >  	/*
> 
> It's always a good idea to check linux-next.  This has been addressed by
> http://ozlabs.org/~akpm/mmots/broken-out/acct-eliminate-compile-warning.patch
> http://ozlabs.org/~akpm/mmots/broken-out/acct-eliminate-compile-warning-fix.patch
> 
> 

Ah, awesome!  I missed these patches.  Thanks Andrew.

Cheers,
--
Luís