net: hns3: fix for returning wrong value problem in hns3_get_rss_indir_size

[ Upstream commit da44a00f06df1f823ea449065e79581ee624de4b ]

The return type of hns3_get_rss_indir_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>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index b034c7f24eda69adcbb29a5a842c64276e2c89a5..190d5b8b2eff571aea09f650299fbaf0fa250718 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -709,7 +709,7 @@ static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 
        if (!h->ae_algo || !h->ae_algo->ops ||
            !h->ae_algo->ops->get_rss_indir_size)
-               return -EOPNOTSUPP;
+               return 0;
 
        return h->ae_algo->ops->get_rss_indir_size(h);
 }