block: use bio_release_pages in bio_map_user_iov

Use bio_release_pages instead of open coding it.

Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 5 deletions

diff --git a/block/bio.c b/block/bio.c
index c759f5598513..1cbf2a7c245e 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1362,8 +1362,6 @@ struct bio *bio_map_user_iov(struct request_queue *q,
         int j;
         struct bio *bio;
         int ret;
-        struct bio_vec *bvec;
-        struct bvec_iter_all iter_all;
 
         if (!iov_iter_count(iter))
                 return ERR_PTR(-EINVAL);
@@ -1430,9 +1428,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
         return bio;
 
  out_unmap:
-        bio_for_each_segment_all(bvec, bio, iter_all) {
-                put_page(bvec->bv_page);
-        }
+        bio_release_pages(bio, false);
         bio_put(bio);
         return ERR_PTR(ret);
 }