linux-kernel - Re: kernel BUG at mm/highmem.c:259

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Message-ID: <20091104073613.GR8742@kernel.dk>
Date:	Wed, 4 Nov 2009 08:36:14 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	yodor1@...il.com, linux-kernel@...r.kernel.org
Subject: Re: kernel BUG at mm/highmem.c:259

On Wed, Nov 04 2009, Miklos Szeredi wrote:
> On Tue, 3 Nov 2009, Jens Axboe wrote:
> > Looks like another victim of the confusing kmap() vs kmap_atomic() API
> > differences.
> > 
> > diff --git a/fs/fuse/file.c b/fs/fuse/file.c
> > index a3492f7..8a219bd 100644
> > --- a/fs/fuse/file.c
> > +++ b/fs/fuse/file.c
> > @@ -1599,7 +1599,7 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov,
> >  			kaddr += copy;
> >  		}
> >  
> > -		kunmap(map);
> > +		kunmap(page);
> >  	}
> >  
> >  	return 0;
> 
> Todor, thanks for the bug report!  Jens, can I add your Signed-off-by?

Yes certainly, go ahead. I should have signed it off when posting.

-- 
Jens Axboe

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