From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit c1dfc0114c901b4f46c85ceff0491debf2b2a2ec ]
The srq->swq[] is allocated in bnxt_qplib_create_srq(). It has srq->hwq.max_elements elements so these tests should be > instead of >= or we might go beyond the end of the array.
Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Acked-by: Selvin Xavier selvin.xavier@broadcom.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/infiniband/hw/bnxt_re/qplib_fp.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 50d8f1fc98d5..e426b990c1dd 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -2354,7 +2354,7 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq, srq = qp->srq; if (!srq) return -EINVAL; - if (wr_id_idx > srq->hwq.max_elements) { + if (wr_id_idx >= srq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process RC "); dev_err(&cq->hwq.pdev->dev, @@ -2369,7 +2369,7 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq, *pcqe = cqe; } else { rq = &qp->rq; - if (wr_id_idx > rq->hwq.max_elements) { + if (wr_id_idx >= rq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process RC "); dev_err(&cq->hwq.pdev->dev, @@ -2437,7 +2437,7 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq, if (!srq) return -EINVAL;
- if (wr_id_idx > srq->hwq.max_elements) { + if (wr_id_idx >= srq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process UD "); dev_err(&cq->hwq.pdev->dev, @@ -2452,7 +2452,7 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq, *pcqe = cqe; } else { rq = &qp->rq; - if (wr_id_idx > rq->hwq.max_elements) { + if (wr_id_idx >= rq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process UD "); dev_err(&cq->hwq.pdev->dev, @@ -2546,7 +2546,7 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq, "QPLIB: FP: SRQ used but not defined??"); return -EINVAL; } - if (wr_id_idx > srq->hwq.max_elements) { + if (wr_id_idx >= srq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process Raw/QP1 "); dev_err(&cq->hwq.pdev->dev, @@ -2561,7 +2561,7 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq, *pcqe = cqe; } else { rq = &qp->rq; - if (wr_id_idx > rq->hwq.max_elements) { + if (wr_id_idx >= rq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process Raw/QP1 RQ wr_id "); dev_err(&cq->hwq.pdev->dev,