RDMA/hns: Fix init resp when alloc ucontext

The data in resp will be copied from kernel to userspace, thus it needs to
be initialized to zeros to avoid copying uninited stack memory.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e088a685ea ("RDMA/hns: Support rq record doorbell for the user space")
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yixian Liu 2018-03-19 21:36:07 +08:00 committed by Jason Gunthorpe
parent b19744e965
commit df7e404258

View File

@ -338,7 +338,7 @@ static struct ib_ucontext *hns_roce_alloc_ucontext(struct ib_device *ib_dev,
{
int ret = 0;
struct hns_roce_ucontext *context;
struct hns_roce_ib_alloc_ucontext_resp resp;
struct hns_roce_ib_alloc_ucontext_resp resp = {};
struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
resp.qp_tab_size = hr_dev->caps.num_qps;