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Subject[PATCH 4.16 124/272] net: hns3: fix for returning wrong value problem in hns3_get_rss_key_size
Date
4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Fuyun Liang <liangfuyun1@huawei.com>

[ Upstream commit 3bd6d258b1d5f76744567855d1376358a94f127d ]

The return type of hns3_get_rss_key_size is u32. But a negative value is
returned. This patch fixes it by replacing the negative value with zero.

Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -698,7 +698,7 @@ static u32 hns3_get_rss_key_size(struct

if (!h->ae_algo || !h->ae_algo->ops ||
!h->ae_algo->ops->get_rss_key_size)
- return -EOPNOTSUPP;
+ return 0;

return h->ae_algo->ops->get_rss_key_size(h);
}

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