diff mbox series

RDMA/cxgb4: Validate the number of CQEs

Message ID 20201108132007.67537-1-kamalheib1@gmail.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/cxgb4: Validate the number of CQEs | expand

Commit Message

Kamal Heib Nov. 8, 2020, 1:20 p.m. UTC 
Before create CQ, make sure that the requested number of CQEs is in the
supported range.

Fixes: cfdda9d76436 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC")
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
---
 drivers/infiniband/hw/cxgb4/cq.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Jason Gunthorpe Nov. 23, 2020, 8:31 p.m. UTC | #1 
On Sun, Nov 08, 2020 at 03:20:07PM +0200, Kamal Heib wrote:
> Before create CQ, make sure that the requested number of CQEs is in the
> supported range.
> 
> Fixes: cfdda9d76436 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC")
> Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
> ---
>  drivers/infiniband/hw/cxgb4/cq.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied to for-next, thanks

Jason
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 2cb65be24770..44c2416588d4 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -1008,6 +1008,9 @@  int c4iw_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
 	if (attr->flags)
 		return -EOPNOTSUPP;
 
+	if (entries < 1 || entries > ibdev->attrs.max_cqe)
+		return -EINVAL;
+
 	if (vector >= rhp->rdev.lldi.nciq)
 		return -EINVAL;