This is a note to let you know that I've just added the patch titled qed: Read queue state before releasing buffer to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: qed-read-queue-state-before-releasing-buffer.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Thu Oct 19 15:04:02 CEST 2017 From: Ram Amrani <Ram.Amrani@xxxxxxxxxx> Date: Mon, 20 Feb 2017 22:43:31 +0200 Subject: qed: Read queue state before releasing buffer From: Ram Amrani <Ram.Amrani@xxxxxxxxxx> [ Upstream commit c5212b943d4b52a7d9e0d9f747e7ad59c50d31f1 ] Currently the state is read only after the buffers are relesed. Signed-off-by: Ram Amrani <Ram.Amrani@xxxxxxxxxx> Signed-off-by: Yuval Mintz <Yuval.Mintz@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/qlogic/qed/qed_roce.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -1766,13 +1766,13 @@ static int qed_roce_query_qp(struct qed_ if (rc) goto err_resp; - dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res), - p_resp_ramrod_res, resp_ramrod_res_phys); - out_params->rq_psn = le32_to_cpu(p_resp_ramrod_res->psn); rq_err_state = GET_FIELD(le32_to_cpu(p_resp_ramrod_res->err_flag), ROCE_QUERY_QP_RESP_OUTPUT_PARAMS_ERROR_FLG); + dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res), + p_resp_ramrod_res, resp_ramrod_res_phys); + if (!(qp->req_offloaded)) { /* Don't send query qp for the requester */ out_params->sq_psn = qp->sq_psn; @@ -1813,9 +1813,6 @@ static int qed_roce_query_qp(struct qed_ if (rc) goto err_req; - dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res), - p_req_ramrod_res, req_ramrod_res_phys); - out_params->sq_psn = le32_to_cpu(p_req_ramrod_res->psn); sq_err_state = GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags), ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_ERR_FLG); @@ -1823,6 +1820,9 @@ static int qed_roce_query_qp(struct qed_ GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags), ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_SQ_DRAINING_FLG); + dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res), + p_req_ramrod_res, req_ramrod_res_phys); + out_params->draining = false; if (rq_err_state) Patches currently in stable-queue which might be from Ram.Amrani@xxxxxxxxxx are queue-4.9/qed-reserve-doorbell-bar-space-for-present-cpus.patch queue-4.9/qed-read-queue-state-before-releasing-buffer.patch