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RDMA/hns: Bugfix for the missing assignment for dip_idx 

When the dgid-dip_idx mapping relationship exists, dip should be assigned.

Fixes: f91696f2f0 ("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>
pull/78/merge
Junxian Huang 2021-08-25 17:43:11 +08:00 committed by Jason Gunthorpe
parent 4303e61264
commit 074f315fc5
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -4508,8 +4508,10 @@ 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