IB/mthca: Fix SRQ cleanup during QP destroy (576d2e4e) · Commits · 戴 / test

When cleaning up a CQ for a QP attached to SRQ, need to free an SRQ WQE only if the CQE is a receive completion. Signed-off-by:

drivers/infiniband/hw/mthca/mthca_cq.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -253,6 +253,15 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
		wake_up(&cq->wait);
		}

		static inline int is_recv_cqe(struct mthca_cqe *cqe)
		{
		if ((cqe->opcode & MTHCA_ERROR_CQE_OPCODE_MASK) ==
		MTHCA_ERROR_CQE_OPCODE_MASK)
		return !(cqe->opcode & 0x01);
		else
		return !(cqe->is_send & 0x80);
		}

		void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
		struct mthca_srq *srq)
		{
		@@ -296,7 +305,7 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
		while ((int) --prod_index - (int) cq->cons_index >= 0) {
		cqe = get_cqe(cq, prod_index & cq->ibcq.cqe);
		if (cqe->my_qpn == cpu_to_be32(qpn)) {
		if (srq)
		if (srq && is_recv_cqe(cqe))
		mthca_free_srq_wqe(srq, be32_to_cpu(cqe->wqe));
		++nfreed;
		} else if (nfreed)