diff options
Diffstat (limited to 'drivers/block/rnbd/rnbd-srv.c')
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index f6e3a3c4b76c..08ce6d96d04c 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -149,15 +149,22 @@ static int process_rdma(struct rnbd_srv_session *srv_sess, 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(sess_dev, "Failed to map data to bio\n"); + rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n"); err = -EINVAL; goto bio_put; } + bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw)); + if (bio_has_data(bio) && + bio->bi_iter.bi_size != le32_to_cpu(msg->bi_size)) { + rnbd_srv_err_rl(sess_dev, "Datalen mismatch: bio bi_size (%u), bi_size (%u)\n", + bio->bi_iter.bi_size, msg->bi_size); + err = -EINVAL; + goto bio_put; + } bio->bi_end_io = rnbd_dev_bi_end_io; bio->bi_private = priv; bio->bi_iter.bi_sector = le64_to_cpu(msg->sector); - bio->bi_iter.bi_size = le32_to_cpu(msg->bi_size); prio = srv_sess->ver < RNBD_PROTO_VER_MAJOR || usrlen < sizeof(*msg) ? 0 : le16_to_cpu(msg->prio); bio_set_prio(bio, prio); |