Re: [PATCH] fs: fix dentry leak in simple_fill_super()

[Jan Kara <jack@suse.cz>]

On Tue 01-11-11 16:12:33, Konstantin Khlebnikov wrote:
> put dentry if inode allocation failed, d_genocide() cannot release it
  Al is currently ill and Christoph Hellwig is taking care of fixes for
now. Added him to CC...

								Honza

> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
> ---
>  fs/libfs.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/libfs.c b/fs/libfs.c
> index c18e9a1..a2c0029 100644
> --- a/fs/libfs.c
> +++ b/fs/libfs.c
> @@ -510,8 +510,10 @@ int simple_fill_super(struct super_block *s, unsigned long magic,
>  		if (!dentry)
>  			goto out;
>  		inode = new_inode(s);
> -		if (!inode)
> +		if (!inode) {
> +			dput(dentry);
>  			goto out;
> +		}
>  		inode->i_mode = S_IFREG | files->mode;
>  		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
>  		inode->i_fop = files->ops;
> 
> --
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-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR