redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
oulijun 2018-05-04 10:57:13 +08:00 committed by Doug Ledford
parent 79d442071a
commit a0403be8af
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/hns/hns_roce_hw_v1.c
View File

@ -1037,7 +1037,7 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work)
do {
ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc);
if (ret < 0) {
if (ret < 0 && hr_qp) {
dev_err(dev,
"(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);