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From:   Zheng Yongjun <zhengyongjun3@huawei.com>
To:     <davem@davemloft.net>, <yoshfuji@linux-ipv6.org>,
        <dsahern@kernel.org>, <kuba@kernel.org>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@huawei.com>
Subject: [PATCH net-next] net: ipv4: Remove unneed BUG() function
Date:   Mon, 7 Jun 2021 22:39:09 +0800
Message-ID: <20210607143909.2844407-1-zhengyongjun3@huawei.com>
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When 'nla_parse_nested_deprecated' failed, it's no need to
BUG() here, return -EINVAL is ok.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
 net/ipv4/devinet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 2e35f68da40a..1c6429c353a9 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1989,7 +1989,7 @@ static int inet_set_link_af(struct net_device *dev, const struct nlattr *nla,
 		return -EAFNOSUPPORT;
 
 	if (nla_parse_nested_deprecated(tb, IFLA_INET_MAX, nla, NULL, NULL) < 0)
-		BUG();
+		return -EINVAL;
 
 	if (tb[IFLA_INET_CONF]) {
 		nla_for_each_nested(a, tb[IFLA_INET_CONF], rem)
-- 
2.25.1