Thread (3 messages) flat view 3 messages, 2 authors, 2021-06-07

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

From: David Ahern <hidden>
Date: 2021-06-07 13:00:04
Also in: lkml

On 6/7/21 3:11 AM, Zheng Yongjun wrote:
quoted hunk ↗ jump to hunk
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 <redacted>
---
 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)
no reason to have a BUG here at all. Catch the error and return.
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