[PATCH 4/9] block: use bio_release_pages in bio_map_user_iov

Christoph Hellwig
2019-06-26T13:49:41Z

Use bio_release_pages instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/bio.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 20a16347bcbb..a96d33d2de44 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);
}
--
2.20.1