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authorGustavo A. R. Silva <garsilva@embeddedor.com>2017-10-16 16:36:52 -0500
committerDavid S. Miller <davem@davemloft.net>2017-10-18 14:13:08 +0100
commit275757e6bae15a8621130907a78096afd1e15d2c (patch)
treeee6360a7f2e195c2e8685f9eb6bbb64b60ee5ea4 /net/ipv6/exthdrs.c
parentfb6ff75e18937a20dbec1eb47b5f893f38eabae4 (diff)
downloadlwn-275757e6bae15a8621130907a78096afd1e15d2c.tar.gz
lwn-275757e6bae15a8621130907a78096afd1e15d2c.zip
ipv6: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that in some cases I placed the "fall through" comment on its own line, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/exthdrs.c')
-rw-r--r--net/ipv6/exthdrs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 95516138e861..7835dea930b4 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -89,6 +89,7 @@ static bool ip6_tlvopt_unknown(struct sk_buff *skb, int optoff)
*/
if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr))
break;
+ /* fall through */
case 2: /* send ICMP PARM PROB regardless and drop packet */
icmpv6_param_prob(skb, ICMPV6_UNK_OPTION, optoff);
return false;