[PATCH net-next] net: ipv4: use BUG_ON instead of if condition followed by BUG

[Zheng Yongjun]

Use BUG_ON instead of if condition followed by BUG in inet_set_link_af.

This issue was detected with the help of Coccinelle.

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
 net/ipv4/devinet.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 2e35f68da40a..e3e1e8a600ef 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1988,8 +1988,7 @@ static int inet_set_link_af(struct net_device *dev, const struct nlattr *nla,
 	if (!in_dev)
 		return -EAFNOSUPPORT;
 
-	if (nla_parse_nested_deprecated(tb, IFLA_INET_MAX, nla, NULL, NULL) < 0)
-		BUG();
+	BUG_ON(nla_parse_nested_deprecated(tb, IFLA_INET_MAX, nla, NULL, NULL) < 0);
 
 	if (tb[IFLA_INET_CONF]) {
 		nla_for_each_nested(a, tb[IFLA_INET_CONF], rem)
-- 
2.25.1