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

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Date:	Wed, 04 Nov 2009 08:06:17 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	yodor1@...il.com, linux-kernel@...r.kernel.org
Subject: Re: kernel BUG at mm/highmem.c:259

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?

Thanks,
Miklos
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