Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 137/432] RDMA/hns: Bugfix for the missing assignment for dip_idx | Date | Thu, 16 Sep 2021 17:58:06 +0200 |
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From: Junxian Huang <huangjunxian4@hisilicon.com>
[ Upstream commit 074f315fc54a9ce45559a44ca36d9fa1ee1ea2cd ]
When the dgid-dip_idx mapping relationship exists, dip should be assigned.
Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW") Link: https://lore.kernel.org/r/1629884592-23424-3-git-send-email-liangwenpeng@huawei.com Signed-off-by: Junxian Huang <huangjunxian4@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index f4cea6dcec2f..d9e330a383b2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4514,8 +4514,10 @@ static int get_dip_ctx_idx(struct ib_qp *ibqp, const struct ib_qp_attr *attr, spin_lock_irqsave(&hr_dev->dip_list_lock, flags); list_for_each_entry(hr_dip, &hr_dev->dip_list, node) { - if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) + if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) { + *dip_idx = hr_dip->dip_idx; goto out; + } } /* If no dgid is found, a new dip and a mapping between dgid and -- 2.30.2
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