From: Chengchang Tang <tangchengchang@xxxxxxxxxx> [ Upstream commit 99dc5a0712883d5d13b620d25b3759d429577bc8 ] Add verification to make sure the roce page size cap is supported by the system page size. Fixes: ba6bb7e97421 ("RDMA/hns: Add interfaces to get pf capabilities from firmware") Link: https://lore.kernel.org/r/20221126102911.2921820-5-xuhaoyue1@xxxxxxxxxxxxx Signed-off-by: Chengchang Tang <tangchengchang@xxxxxxxxxx> Signed-off-by: Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 747ce3ac72f1..fbdaf95fd82b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2341,6 +2341,9 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev) caps->wqe_sge_hop_num = hr_reg_read(resp_d, PF_CAPS_D_EX_SGE_HOP_NUM); caps->wqe_rq_hop_num = hr_reg_read(resp_d, PF_CAPS_D_RQWQE_HOP_NUM); + if (!(caps->page_size_cap & PAGE_SIZE)) + caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED; + return 0; } -- 2.35.1