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RDMA/hns: Fix uninitialized variable

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commit 2a38c0f10e6d7d28e06ff1eb1f350804c4850275 upstream.

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 <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yixing Liu 2021-06-18 18:10:12 +08:00 committed by Ksawlii
parent b4693ba24d
commit f7978e0edc
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hns/hns_roce_mr.c
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@ -832,7 +832,7 @@ 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