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Commit 1203c42e authored by Eli Cohen's avatar Eli Cohen Committed by Roland Dreier
Browse files

IB/mthca: Remove checks for srq->first_free < 0 



The SRQ receive posting functions make sure that srq->first_free never
becomes negative, so we can remove tests of whether it is negative.

Signed-off-by: default avatarEli Cohen <eli@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 1d96354e

drivers/infiniband/hw/mthca/mthca_srq.c

+3 −23
Original line number Diff line number Diff line
@@ -475,11 +475,7 @@ void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr) 


	spin_lock(&srq->lock);



	if (likely(srq->first_free >= 0))

	*wqe_to_link(get_wqe(srq, srq->last_free)) = ind;

	else

		srq->first_free = ind;



	*wqe_to_link(get_wqe(srq, ind)) = -1;

	srq->last_free = ind;
@@ -507,14 +503,6 @@ int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 


	for (nreq = 0; wr; wr = wr->next) {

		ind       = srq->first_free;



		if (unlikely(ind < 0)) {

			mthca_err(dev, "SRQ %06x full\n", srq->srqn);

			err = -ENOMEM;

			*bad_wr = wr;

			break;

		}



		wqe       = get_wqe(srq, ind);

		next_ind  = *wqe_to_link(wqe);
@@ -615,14 +603,6 @@ int mthca_arbel_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 


	for (nreq = 0; wr; ++nreq, wr = wr->next) {

		ind       = srq->first_free;



		if (unlikely(ind < 0)) {

			mthca_err(dev, "SRQ %06x full\n", srq->srqn);

			err = -ENOMEM;

			*bad_wr = wr;

			break;

		}



		wqe       = get_wqe(srq, ind);

		next_ind  = *wqe_to_link(wqe);