3.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eric Dumazet <edumazet@xxxxxxxxxx>
[ Upstream commit 5337b5b75cd9bd3624a6820e3c2a084d2480061c ]
Use IS_ENABLED(CONFIG_IPV6), to enable this code if IPv6 is
a module.
Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Fixes: c8e6ad0829a7 ("ipv6: honor IPV6_PKTINFO with v4 mapped addresses on sendmsg")
Acked-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv4/ip_sockglue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -195,7 +195,7 @@ int ip_cmsg_send(struct net *net, struct
for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
if (!CMSG_OK(msg, cmsg))
return -EINVAL;
-#if defined(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
if (allow_ipv6 &&
cmsg->cmsg_level == SOL_IPV6 &&
cmsg->cmsg_type == IPV6_PKTINFO) {
--
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