From: Xinghai Cen <cenxinghai@h-partners.com> driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IBJ9LU CVE: NA ---------------------------------------------------------------------- This reverts commit 8fdd069567a373eb0fcb47cb51840a7ad6b06e3a. Fixes: 8fdd069567a3 ("RDMA/hns: Fix a missing check of atomic wr length") Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com> --- drivers/infiniband/hw/hns/hns_roce_device.h | 2 -- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 18 ++++-------------- 2 files changed, 4 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 765bfc3d5579..3b72717b2b81 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -95,8 +95,6 @@ /* Configure to HW for PAGE_SIZE larger than 4KB */ #define PG_SHIFT_OFFSET (PAGE_SHIFT - 12) -#define ATOMIC_WR_LEN 8 - #define HNS_ROCE_IDX_QUE_ENTRY_SZ 4 #define SRQ_DB_REG 0x230 diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 3ce581d87641..95fb5bb63b62 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -167,22 +167,15 @@ static void set_frmr_seg(struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, hr_reg_clear(fseg, FRMR_BLK_MODE); } -static int set_atomic_seg(struct hns_roce_dev *hr_dev, - const struct ib_send_wr *wr, - struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, - unsigned int valid_num_sge, u32 msg_len) +static void set_atomic_seg(const struct ib_send_wr *wr, + struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, + unsigned int valid_num_sge) { struct hns_roce_v2_wqe_data_seg *dseg = (void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe); struct hns_roce_wqe_atomic_seg *aseg = (void *)dseg + sizeof(struct hns_roce_v2_wqe_data_seg); - if (msg_len != ATOMIC_WR_LEN) { - ibdev_err(&hr_dev->ib_dev, "invalid atomic wr len, len = %u.\n", - msg_len); - return -EINVAL; - } - set_data_seg_v2(dseg, wr->sg_list); if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) { @@ -195,8 +188,6 @@ static int set_atomic_seg(struct hns_roce_dev *hr_dev, } hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SGE_NUM, valid_num_sge); - - return 0; } static int fill_ext_sge_inl_data(struct hns_roce_qp *qp, @@ -684,8 +675,7 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp, if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP || wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) - ret = set_atomic_seg(hr_dev, wr, rc_sq_wqe, valid_num_sge, - msg_len); + set_atomic_seg(wr, rc_sq_wqe, valid_num_sge); else if (wr->opcode != IB_WR_REG_MR) ret = set_rwqe_data_seg(&qp->ibqp, wr, rc_sq_wqe, &curr_idx, valid_num_sge); -- 2.33.0