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RDMA/cxgb4: Validate the number of CQEs

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[ Upstream commit 6d8285e604 ]

Before create CQ, make sure that the requested number of CQEs is in the
supported range.

Fixes: cfdda9d764 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC")
Link: https://lore.kernel.org/r/20201108132007.67537-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kamal Heib
2020-11-08 15:20:07 +02:00
committed by Greg Kroah-Hartman
parent c3c96c2b4b
commit 0b2f0afa3d
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/hw/cxgb4/cq.c
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@@ -1012,6 +1012,9 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
rhp = to_c4iw_dev(ibdev);
if (entries < 1 || entries > ibdev->attrs.max_cqe)
return ERR_PTR(-EINVAL);
if (vector >= rhp->rdev.lldi.nciq)
return ERR_PTR(-EINVAL);