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Commit 38d1e793 authored by Jack Morgenstein's avatar Jack Morgenstein Committed by Roland Dreier
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IB/mthca: check port validity in modify_qp 



Modify_qp should check that the physical port number provided
is a legal value.

Signed-off-by: default avatarJack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent aa2f9367

drivers/infiniband/hw/mthca/mthca_qp.c

+6 −0
Original line number Diff line number Diff line
@@ -621,6 +621,12 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) 
		return -EINVAL;

	}



	if ((attr_mask & IB_QP_PORT) &&

	    (attr->port_num == 0 || attr->port_num > dev->limits.num_ports)) {

		mthca_dbg(dev, "Port number (%u) is invalid\n", attr->port_num);

		return -EINVAL;

	}



	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&

	    attr->max_rd_atomic > dev->limits.max_qp_init_rdma) {

		mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n",