Re: [TRIVIAL] Error checks omitted in init_tmpfs() in mm/tiny-shmem.c

[Muli Ben-Yehuda <mulix@mulix.org>]

On Mon, Oct 24, 2005 at 01:45:18PM -0700, Matt Mackall wrote:

> > --- linux-2.6.13.4/mm/tiny-shmem.c	2005-10-10 13:54:29.000000000 -0500
> > +++ linux-2.6.13.4-edit/mm/tiny-shmem.c	2005-10-24 03:43:38.614071000 -0500
> > @@ -31,12 +31,18 @@
> >  
> >  static int __init init_tmpfs(void)
> >  {
> > -	register_filesystem(&tmpfs_fs_type);
> > +	int error;
> > +
> > +	error = register_filesystem(&tmpfs_fs_type);
> > +	BUG_ON(error);
> 
> Can we just do BUG_ON(register_filesystem() != 0)?

It seems a little risky to me to rely on a macro always evaluating its
arguments, even though this one does on every kernel version I
checked.

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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