diff options
| author | Kamal Heib <kamalheib1@gmail.com> | 2020-11-08 16:20:07 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-23 23:19:46 +0300 |
| commit | 6d8285e604e0221b67bd5db736921b7ddce37d00 (patch) | |
| tree | 787917ee6c253a35a6bd8156d43c31364b886be0 /drivers/infiniband/hw/cxgb4 | |
| parent | a9d2e9ae953f0ddd0327479c81a085adaa76d903 (diff) | |
| download | linux-6d8285e604e0221b67bd5db736921b7ddce37d00.tar.xz | |
RDMA/cxgb4: Validate the number of CQEs
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")
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>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cq.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |