| Message ID | 1382511201-7061-4-git-send-email-eli@mellanox.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index e388143..8a36fd7 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1915,6 +1915,10 @@ static int set_frwr_li_wr(void **seg, struct ib_send_wr *wr, int *size, if (unlikely((*seg == qp->sq.qend))) *seg = mlx5_get_send_wqe(qp, 0); if (!li) { + if (unlikely(wr->wr.fast_reg.page_list_len > + wr->wr.fast_reg.page_list->max_page_list_len)) + return -ENOMEM; + set_frwr_pages(*seg, wr, mdev, pd, writ); *seg += sizeof(struct mlx5_wqe_data_seg); *size += (sizeof(struct mlx5_wqe_data_seg) / 16);
Make sure not to overflow when reading the page list from struct ib_fast_reg_page_list. Signed-off-by: Eli Cohen <eli@mellanox.com> --- drivers/infiniband/hw/mlx5/qp.c | 4 ++++ 1 file changed, 4 insertions(+)