From: Eric Dumazet <eduma...@google.com>
idev can be NULL, as the surrounding code suggests.
Fixes: 4daf841a2ef3 ("net: ipv6: add skb drop reasons to ip6_rcv_core()")
Signed-off-by: Eric Dumazet <eduma...@google.com>
Link: https://lore.kernel.org/r/20220413205653.1178458-1-eric.duma...@gmail.com
Signed-off-by: Jakub Kicinski <k...@kernel.org>
https://jira.sw.ru/browse/PSBM-145683
---
net/ipv6/ip6_input.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 126ae3aa67e1..0322cc86b84e 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -166,7 +166,7 @@ static struct sk_buff *ip6_rcv_core(struct sk_buff *skb,
struct net_device *dev,
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL ||
!idev || unlikely(idev->cnf.disable_ipv6)) {
__IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS);
- if (unlikely(idev->cnf.disable_ipv6))
+ if (idev && unlikely(idev->cnf.disable_ipv6))
SKB_DR_SET(reason, IPV6DISABLED);
goto drop;
}
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