* [PATCH ipsec-next] xfrm: fix bogus WARN_ON with ipv6
[not found] <20190612111144.757a8cea@canb.auug.org.au>
@ 2019-06-12 8:30 ` Florian Westphal
2019-06-17 9:20 ` Steffen Klassert
0 siblings, 1 reply; 2+ messages in thread
From: Florian Westphal @ 2019-06-12 8:30 UTC (permalink / raw)
To: Steffen Klassert; +Cc: netdev, Florian Westphal, Stephen Rothwell
net/xfrm/xfrm_input.c:378:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
skb->protocol = htons(ETH_P_IPV6);
... the fallthrough then causes a bogus WARN_ON().
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 4c203b0454b ("xfrm: remove eth_proto value from xfrm_state_afinfo")
Signed-off-by: Florian Westphal <fw@strlen.de>
---
net/xfrm/xfrm_input.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 8a00cc94c32c..6088bc2dc11e 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -376,6 +376,7 @@ static int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb)
break;
case AF_INET6:
skb->protocol = htons(ETH_P_IPV6);
+ break;
default:
WARN_ON_ONCE(1);
break;
--
2.21.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH ipsec-next] xfrm: fix bogus WARN_ON with ipv6
2019-06-12 8:30 ` [PATCH ipsec-next] xfrm: fix bogus WARN_ON with ipv6 Florian Westphal
@ 2019-06-17 9:20 ` Steffen Klassert
0 siblings, 0 replies; 2+ messages in thread
From: Steffen Klassert @ 2019-06-17 9:20 UTC (permalink / raw)
To: Florian Westphal; +Cc: netdev, Stephen Rothwell
On Wed, Jun 12, 2019 at 10:30:58AM +0200, Florian Westphal wrote:
> net/xfrm/xfrm_input.c:378:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
> skb->protocol = htons(ETH_P_IPV6);
>
> ... the fallthrough then causes a bogus WARN_ON().
>
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Fixes: 4c203b0454b ("xfrm: remove eth_proto value from xfrm_state_afinfo")
> Signed-off-by: Florian Westphal <fw@strlen.de>
Applied, thanks Florian!
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-06-12 8:30 ` [PATCH ipsec-next] xfrm: fix bogus WARN_ON with ipv6 Florian Westphal
2019-06-17 9:20 ` Steffen Klassert
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