[PATCH AUTOSEL 5.10 12/35] net: ipv4: Remove unneed BUG() function

From: Sasha Levin
Date: Mon Jun 21 2021 - 13:57:56 EST


From: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/ipv4/devinet.c | 2 +-
net/ipv6/addrconf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 123a6d39438f..7c1859777429 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)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4c881f5d9080..884d430e23cb 100644
--- 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]));
--
2.30.2