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path: root/drivers/infiniband
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-rw-r--r--drivers/infiniband/hw/mlx4/cq.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index e940521e9c8..660b27aecae 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -478,7 +478,8 @@ void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq)
{
u32 prod_index;
int nfreed = 0;
- struct mlx4_cqe *cqe;
+ struct mlx4_cqe *cqe, *dest;
+ u8 owner_bit;
/*
* First we need to find the current producer index, so we
@@ -501,9 +502,13 @@ void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq)
if (srq && !(cqe->owner_sr_opcode & MLX4_CQE_IS_SEND_MASK))
mlx4_ib_free_srq_wqe(srq, be16_to_cpu(cqe->wqe_index));
++nfreed;
- } else if (nfreed)
- memcpy(get_cqe(cq, (prod_index + nfreed) & cq->ibcq.cqe),
- cqe, sizeof *cqe);
+ } else if (nfreed) {
+ dest = get_cqe(cq, (prod_index + nfreed) & cq->ibcq.cqe);
+ owner_bit = dest->owner_sr_opcode & MLX4_CQE_OWNER_MASK;
+ memcpy(dest, cqe, sizeof *cqe);
+ dest->owner_sr_opcode = owner_bit |
+ (dest->owner_sr_opcode & ~MLX4_CQE_OWNER_MASK);
+ }
}
if (nfreed) {