From e81cef5d3001501350b4e596b4bd6dfd26187afa Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 24 Sep 2017 09:25:39 -0400 Subject: blk_rq_map_user_iov(): move iov_iter_advance() down ... into bio_{map,copy}_user_iov() Signed-off-by: Al Viro --- block/bio.c | 6 ++++-- block/blk-map.c | 1 - 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'block') diff --git a/block/bio.c b/block/bio.c index d1ca7eecc8aa..cd1282db03cb 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1195,7 +1195,7 @@ int bio_uncopy_user(struct bio *bio) */ struct bio *bio_copy_user_iov(struct request_queue *q, struct rq_map_data *map_data, - const struct iov_iter *iter, + struct iov_iter *iter, gfp_t gfp_mask) { struct bio_map_data *bmd; @@ -1298,6 +1298,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, if (ret) goto cleanup; } + iov_iter_advance(iter, bio->bi_iter.bi_size); bio->bi_private = bmd; return bio; @@ -1320,7 +1321,7 @@ out_bmd: * device. Returns an error pointer in case of error. */ struct bio *bio_map_user_iov(struct request_queue *q, - const struct iov_iter *iter, + struct iov_iter *iter, gfp_t gfp_mask) { int j; @@ -1399,6 +1400,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, * reference to it */ bio_get(bio); + iov_iter_advance(iter, bio->bi_iter.bi_size); return bio; out_unmap: diff --git a/block/blk-map.c b/block/blk-map.c index 2547016aa7aa..891eea11f68e 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -69,7 +69,6 @@ static int __blk_rq_map_user_iov(struct request *rq, if (map_data && map_data->null_mapped) bio_set_flag(bio, BIO_NULL_MAPPED); - iov_iter_advance(iter, bio->bi_iter.bi_size); if (map_data) map_data->offset += bio->bi_iter.bi_size; -- cgit