From: Yixing Liu liuyixing1@huawei.com
[ Upstream commit 2a38c0f10e6d7d28e06ff1eb1f350804c4850275 ]
A random value will be returned if the condition below is not met, so it needs to be initialized.
Fixes: 9ea9a53ea93b ("RDMA/hns: Add mapped page count checking for MTR") Link: https://lore.kernel.org/r/1624011020-16992-3-git-send-email-liweihang@huawei... Signed-off-by: Yixing Liu liuyixing1@huawei.com Signed-off-by: Weihang Li liweihang@huawei.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 79b3c3023fe7..b8454dcb0318 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -776,7 +776,7 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, struct ib_device *ibdev = &hr_dev->ib_dev; struct hns_roce_buf_region *r; unsigned int i, mapped_cnt; - int ret; + int ret = 0;
/* * Only use the first page address as root ba when hopnum is 0, this