net: ipv4: Remove unneed BUG() function

[ Upstream commit 5ac6b198d7e312bd10ebe7d58c64690dc59cc49a ]

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 123a6d3..7c18597 100644 (file)
--- 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)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4c881f5..884d430 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5799,7 +5799,7 @@ static int inet6_set_link_af(struct net_device *dev, const struct nlattr *nla)
                return -EAFNOSUPPORT;
 
        if (nla_parse_nested_deprecated(tb, IFLA_INET6_MAX, nla, NULL, NULL) < 0)
-               BUG();
+               return -EINVAL;
 
        if (tb[IFLA_INET6_TOKEN]) {
                err = inet6_set_iftoken(idev, nla_data(tb[IFLA_INET6_TOKEN]));