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-rw-r--r--block/blk-map.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index 19940c978c73..f2135e6ee8f6 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -31,7 +31,8 @@ static struct bio_map_data *bio_alloc_map_data(struct iov_iter *data,
return NULL;
memcpy(bmd->iov, data->iov, sizeof(struct iovec) * data->nr_segs);
bmd->iter = *data;
- bmd->iter.iov = bmd->iov;
+ if (iter_is_iovec(data))
+ bmd->iter.iov = bmd->iov;
return bmd;
}
@@ -641,7 +642,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
copy = true;
else if (iov_iter_is_bvec(iter))
map_bvec = true;
- else if (!iter_is_iovec(iter))
+ else if (!user_backed_iter(iter))
copy = true;
else if (queue_virt_boundary(q))
copy = queue_virt_boundary(q) & iov_iter_gap_alignment(iter);
@@ -682,9 +683,8 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq,
struct rq_map_data *map_data, void __user *ubuf,
unsigned long len, gfp_t gfp_mask)
{
- struct iovec iov;
struct iov_iter i;
- int ret = import_single_range(rq_data_dir(rq), ubuf, len, &iov, &i);
+ int ret = import_ubuf(rq_data_dir(rq), ubuf, len, &i);
if (unlikely(ret < 0))
return ret;