[PATCH 09/19] rnbd-srv: use bio_add_virt_nofail

Christoph Hellwig
2025-04-30T21:22:27Z

Use the bio_add_virt_nofail to add a single kernel virtual address
to a bio as that can't fail.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
drivers/block/rnbd/rnbd-srv.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 2ee6e9bd4e28..2df8941a6b14 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -147,12 +147,7 @@ static int process_rdma(struct rnbd_srv_session *srv_sess,

bio = bio_alloc(file_bdev(sess_dev->bdev_file), 1,
rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL);
- if (bio_add_page(bio, virt_to_page(data), datalen,
- offset_in_page(data)) != datalen) {
- rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n");
- err = -EINVAL;
- goto bio_put;
- }
+ bio_add_virt_nofail(bio, data, datalen);

bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw));
if (bio_has_data(bio) &&
--
2.47.2