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authorJason Gunthorpe <jgg@nvidia.com>2020-10-03 20:20:06 -0300
committerJason Gunthorpe <jgg@nvidia.com>2020-10-26 19:27:58 -0300
commit26e990badde40b2fb824bfa3cb9d4288a79584bc (patch)
tree355d49a7b78e7c655941ae63844f56ac5e270d93 /drivers/infiniband/hw/cxgb4/qp.c
parentRDMA: Check srq_type during create_srq (diff)
downloadlinux-dev-26e990badde40b2fb824bfa3cb9d4288a79584bc.tar.xz
linux-dev-26e990badde40b2fb824bfa3cb9d4288a79584bc.zip
RDMA: Check attr_mask during modify_qp
Each driver should check that it can support the provided attr_mask during modify_qp. IB_USER_VERBS_EX_CMD_MODIFY_QP was being used to block modify_qp_ex because the driver didn't check RATE_LIMIT. Link: https://lore.kernel.org/r/6-v1-caa70ba3d1ab+1436e-ucmd_mask_jgg@nvidia.com Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/qp.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index d2b46c5c1645..79e69d449b07 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -2374,6 +2374,9 @@ int c4iw_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
pr_debug("ib_qp %p\n", ibqp);
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
/* iwarp does not support the RTR state */
if ((attr_mask & IB_QP_STATE) && (attr->qp_state == IB_QPS_RTR))
attr_mask &= ~IB_QP_STATE;