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[for-next,02/10] RDMA/hns: Fix uninitialized variable

Message ID 1624011020-16992-3-git-send-email-liweihang@huawei.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/hns: Updates for 5.14 | expand

Commit Message

Weihang Li June 18, 2021, 10:10 a.m. UTC 
From: Yixing Liu <liuyixing1@huawei.com>

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")
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 8e6b1ae..c039743 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