Re: nfs mount fail

From: Trond Myklebust
Date: Mon Oct 19 2009 - 04:29:31 EST


On Mon, 2009-10-19 at 10:23 +0200, Ingo Molnar wrote:
> * Ingo Molnar <mingo@xxxxxxx> wrote:
>
> >
> > * Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:
> >
> > > > --- a/fs/nfs/super.c
> > > > +++ b/fs/nfs/super.c
> > > > @@ -1253,6 +1253,7 @@ static int nfs_parse_mount_options(char *raw,
> > > > default:
> > > > dfprintk(MOUNT, "NFS: unrecognized "
> > > > "transport protocol\n");
> > > > + kfree(string);
> > > > return 0;
> > > > }
> > > > break;
> > >
> > > There is a possible clean up there too. We can move the other kfree()
> > > calls out of the inner switch statement, and coalesce them all into a
> > > single call.
> >
> > Correct - separately from the leak fix. (which potentially wants to go
> > to -stable as well)
>
> Not necessarily -stable material though - this is a really light memory
> leak and only on a rare failure path, i doubt anyone noticed in
> practice.
>
> So d508afb fixed all that needed fixing and there's nothing serious
> pending here. I've reverted all pending bits in tip:out-of-tree, so it's
> pure -git now. I rarely have to carry any NFS fixes in out-of-tree, this
> was an odd-one-out exception that fell through the cracks.
>
> Ingo

OK. Could you resend the remaining leak fix, with the fixed up changelog
and attributions so I can pass it on to Linus?

Trond

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