Re: [PATCH v2] block: Fix potential page reference leak in __bio_iov_append_get_pages()

[linmiaohe]

Friendly ping :)

> When bio_add_hw_page() failed, we left page reference still held in pages from iov_iter_get_pages(). Release these references and also advance the iov_iter according to what we have done successfully yet.
>
> Fixes: 0512a75b98f8 ("block: Introduce REQ_OP_ZONE_APPEND")
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> ---
>  block/bio.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/block/bio.c b/block/bio.c
> index e113073958cb..a323a5446221 100644
> --- a/block/bio.c