[PATCH for-next v12 05/12] nvme: Use blk_rq_map_user_io helper

[Anuj Gupta <anuj20.g@samsung.com>]

User blk_rq_map_user_io instead of duplicating the same code at
different places

Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
---
 drivers/nvme/host/ioctl.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index 914b142b6f2b..3746a02a88ef 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -88,22 +88,8 @@ static struct request *nvme_alloc_user_request(struct request_queue *q,
 	nvme_req(req)->flags |= NVME_REQ_USERCMD;
 
 	if (ubuffer && bufflen) {
-		if (!vec)
-			ret = blk_rq_map_user(q, req, NULL, ubuffer, bufflen,
-				GFP_KERNEL);
-		else {
-			struct iovec fast_iov[UIO_FASTIOV];
-			struct iovec *iov = fast_iov;
-			struct iov_iter iter;
-
-			ret = import_iovec(rq_data_dir(req), ubuffer, bufflen,
-					UIO_FASTIOV, &iov, &iter);
-			if (ret < 0)
-				goto out;
-			ret = blk_rq_map_user_iov(q, req, NULL, &iter,
-					GFP_KERNEL);
-			kfree(iov);
-		}
+		ret = blk_rq_map_user_io(req, NULL, ubuffer, bufflen,
+				GFP_KERNEL, vec, 0, 0, rq_data_dir(req));
 		if (ret)
 			goto out;
 		bio = req->bio;
-- 
2.25.1