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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>
alistair/sunxi64-5.4-dsi
Christoph Hellwig 2019-06-26 15:49:23 +02:00 committed by Jens Axboe
parent 163cc2d3cd
commit 506e079847
1 changed files with 1 additions and 5 deletions
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6
block/bio.c
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@ -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);
}