From: Junxian Huang Date: Wed, 25 Aug 2021 09:43:11 +0000 (+0800) Subject: RDMA/hns: Bugfix for the missing assignment for dip_idx X-Git-Tag: v5.13.19~259 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97d5cb6ab801ede1f5b2bff423a302adcb3b0c52;p=thirdparty%2Fkernel%2Fstable.git RDMA/hns: Bugfix for the missing assignment for dip_idx [ 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 Signed-off-by: Wenpeng Liang Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index dcbe5e28a4f7a..90945e664f5da 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4735,8 +4735,10 @@ 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