On Wed, Oct 31, 2018 at 10:12:18PM +0300, Vasily Averin wrote:
> Fixes dc6982ff4db1 ("ext4: refactor code to read directory blocks ...") # 3.9
> 
> Signed-off-by: Vasily Averin <v...@virtuozzo.com>
> ---
>  fs/ext4/namei.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
> index d388cce72db2..1a21e59ede72 100644
> --- a/fs/ext4/namei.c
> +++ b/fs/ext4/namei.c
> @@ -111,6 +111,7 @@ static struct buffer_head *__ext4_read_dirblock(struct 
> inode *inode,
>       if (!bh) {
>               ext4_error_inode(inode, func, line, block,
>                                "Directory hole found");
> +             brelse(bh);
>               return ERR_PTR(-EFSCORRUPTED);
>       }
>       dirent = (struct ext4_dir_entry *) bh->b_data;

Inside the conditional, bh == NULL, so the brelse isn't needed.

Cheers,

                                                - Ted

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