summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw
diff options
context:
space:
mode:
authorWeihang Li <liweihang@huawei.com>2020-05-08 17:45:54 +0800
committerJason Gunthorpe <jgg@mellanox.com>2020-05-19 20:54:58 -0300
commit6968aeb5aa64a46175f408fa91e49c19e9558428 (patch)
tree195da79ad247f4b5128d052739da9730f14baa16 /drivers/infiniband/hw
parent053c0acf52edf97cae7d53c9f249f7c2eb565ed9 (diff)
downloadlinux-6968aeb5aa64a46175f408fa91e49c19e9558428.tar.bz2
RDMA/hns: Fix wrong assignment of SRQ's max_wr
srq's attribute max_wr should be 1 less than the total count of wqe. Fixes: ffb1308b88b6 ("RDMA/hns: Move SRQ code to the reasonable place") Link: https://lore.kernel.org/r/1588931159-56875-5-git-send-email-liweihang@huawei.com Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c4
1 files 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 96a5ff565b2f..155c658ed3eb 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5044,8 +5044,8 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
SRQC_BYTE_8_SRQ_LIMIT_WL_S);
attr->srq_limit = limit_wl;
- attr->max_wr = srq->wqe_cnt;
- attr->max_sge = srq->max_gs;
+ attr->max_wr = srq->wqe_cnt - 1;
+ attr->max_sge = srq->max_gs;
memcpy(srq_context, mailbox->buf, sizeof(*srq_context));