Commit a0403be8 authored by oulijun's avatar oulijun Committed by Doug Ledford

RDMA/hns: Fix the bug with NULL pointer

When the last QP of eight QPs is not exist in
hns_roce_v1_mr_free_work_fn function, the
print for qpn of hr_qp may introduce a
calltrace for NULL pointer.
Signed-off-by: default avatarLijun Ou <oulijun@huawei.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 79d44207
...@@ -1037,7 +1037,7 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work) ...@@ -1037,7 +1037,7 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work)
do { do {
ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc); ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc);
if (ret < 0) { if (ret < 0 && hr_qp) {
dev_err(dev, dev_err(dev,
"(qp:0x%lx) starts, Poll cqe failed(%d) for mr 0x%x free! Remain %d cqe\n", "(qp:0x%lx) starts, Poll cqe failed(%d) for mr 0x%x free! Remain %d cqe\n",
hr_qp->qpn, ret, hr_mr->key, ne); hr_qp->qpn, ret, hr_mr->key, ne);
......
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