Re: [PATCH] autofs4 - panic after mount fail

[Ian Kent <raven@themaw.net>]

On Mon, 2006-11-13 at 23:51 +0800, Ian Kent wrote:
> On Mon, 2006-11-13 at 11:07 +0000, David Howells wrote:
> > Ian Kent <raven@themaw.net> wrote:
> > 
> > > -	if (sbi->pipe) {
> > > -		fput(sbi->pipe);	/* Close the pipe */
> > > -		sbi->pipe = NULL;
> > > -	}
> > > +	fput(sbi->pipe);	/* Close the pipe */
> > > +	sbi->pipe = NULL;
> > 
> > Ummm...  Is that right?  fput() doesn't check its argument for a NULL pointer,
> > so the original code shouldn't hurt and should give you an extra bit of
> > defense.
> 
> HaHa .. sometimes it's people saying "get id of that you don't need it"
> and other times it's the opposite.
> 
> Setting sbi->catatonic = 1 upon entry to autofs[4]_fill_super ensures
> that autofs[4]_catatonic_mode is not called until after sbi->pipe is non
> NULL. So I decided, in this case, to remove the test.

However, if you feel strongly about it I'll change it.

Ian