From: Yixing Liu Date: Fri, 18 Jun 2021 10:10:12 +0000 (+0800) Subject: RDMA/hns: Fix uninitialized variable X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=2a38c0f10e6d7d28e06ff1eb1f350804c4850275;p=uclinux-h8%2Flinux.git RDMA/hns: Fix uninitialized variable 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.com Signed-off-by: Yixing Liu Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 5296b09bbcfe..7733e4de8832 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -772,7 +772,7 @@ 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