* [PATCH] RDMA/cxgb4: Validate the number of CQEs
@ 2020-11-08 13:20 Kamal Heib
2020-11-23 20:31 ` Jason Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Kamal Heib @ 2020-11-08 13:20 UTC (permalink / raw)
To: linux-rdma; +Cc: Jason Gunthorpe, Doug Ledford, Potnuri Bharat Teja, Kamal Heib
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(+)
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;
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] RDMA/cxgb4: Validate the number of CQEs
2020-11-08 13:20 [PATCH] RDMA/cxgb4: Validate the number of CQEs Kamal Heib
@ 2020-11-23 20:31 ` Jason Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2020-11-23 20:31 UTC (permalink / raw)
To: Kamal Heib; +Cc: linux-rdma, Doug Ledford, Potnuri Bharat Teja
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-11-23 20:31 ` Jason Gunthorpe
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