5.15-stable review patch. If anyone has any objections, please let me know.
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From: Chengchang Tang tangchengchang@huawei.com
[ Upstream commit fa5c4ba8cdbfd2c2d6422e001311c8213283ebbf ]
WARN_ON() is called in the IO path. And it could lead to a warning storm. Use WARN_ON_ONCE() instead of WARN_ON().
Fixes: 12542f1de179 ("RDMA/hns: Refactor process about opcode in post_send()") Signed-off-by: Chengchang Tang tangchengchang@huawei.com Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com Link: https://patch.msgid.link/20241220055249.146943-4-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 6fdd563c9b9e..aa0e5076f02a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -459,7 +459,7 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp, valid_num_sge = calc_wr_sge_num(wr, &msg_len);
ret = set_ud_opcode(ud_sq_wqe, wr); - if (WARN_ON(ret)) + if (WARN_ON_ONCE(ret)) return ret;
ud_sq_wqe->msg_len = cpu_to_le32(msg_len); @@ -563,7 +563,7 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp, rc_sq_wqe->msg_len = cpu_to_le32(msg_len);
ret = set_rc_opcode(hr_dev, rc_sq_wqe, wr); - if (WARN_ON(ret)) + if (WARN_ON_ONCE(ret)) return ret;
hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SO,