[PATCH 6.6 217/299] RDMA/irdma: Validate max_send_wr and max_recv_wr

Greg Kroah-Hartman
2024-02-27T13:58:12Z

From: Shiraz Saleem <shiraz.saleem@intel.com>

[ Upstream commit ee107186bcfd25d7873258f3f75440e20f5e6416 ]

Validate that max_send_wr and max_recv_wr is within the
supported range.

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Change-Id: I2fc8b10292b641fddd20b36986a9dae90a93f4be
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Link: https://lore.kernel.org/r/20240131233849.400285-3-sindhu.devale@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/infiniband/hw/irdma/verbs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 2f1bedd3a5201..d9750901c5990 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -839,7 +839,9 @@ static int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr,

if (init_attr->cap.max_inline_data > uk_attrs->max_hw_inline ||
init_attr->cap.max_send_sge > uk_attrs->max_hw_wq_frags ||
- init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags)
+ init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags ||
+ init_attr->cap.max_send_wr > uk_attrs->max_hw_wq_quanta ||
+ init_attr->cap.max_recv_wr > uk_attrs->max_hw_rq_quanta)
return -EINVAL;

if (rdma_protocol_roce(&iwdev->ibdev, 1)) {
--
2.43.0