IB/mlx4: Reset flow support for IB kernel ULPs

[firefly-linux-kernel-4.4.55.git] / drivers / infiniband / hw / mlx4 / srq.c

diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 62d9285300af09c64af29e8b19cf33395767a6f8..dce5dfe3a70ea957a6780eca47e0c15e0d054300 100644 (file)
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -316,8 +316,15 @@ int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
        int err = 0;
        int nreq;
        int i;
+       struct mlx4_ib_dev *mdev = to_mdev(ibsrq->device);
 
        spin_lock_irqsave(&srq->lock, flags);
+       if (mdev->dev->persist->state & MLX4_DEVICE_STATE_INTERNAL_ERROR) {
+               err = -EIO;
+               *bad_wr = wr;
+               nreq = 0;
+               goto out;
+       }
 
        for (nreq = 0; wr; ++nreq, wr = wr->next) {
                if (unlikely(wr->num_sge > srq->msrq.max_gs)) {
@@ -362,6 +369,7 @@ int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
                *srq->db.db = cpu_to_be32(srq->wqe_ctr);
        }
+out:
 
        spin_unlock_irqrestore(&srq->lock, flags);