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RDMA/cxgb4: Validate the number of CQEs

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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>
This commit is contained in:
Kamal Heib 2020-11-08 15:20:07 +02:00 committed by Jason Gunthorpe
parent a9d2e9ae95
commit 6d8285e604
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/hw/cxgb4/cq.c
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@ -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;