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-rw-r--r--net/ipv6/ipv6_sockglue.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 2aa294b..0feaee3 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -395,6 +395,28 @@ sticky_done:
break;
}
+ case IPV6_PKTINFO:
+ {
+ struct in6_pktinfo pkt;
+
+ if (optlen == 0)
+ goto e_inval;
+ else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL)
+ goto e_inval;
+
+ if (copy_from_user(&pkt, optval, optlen)) {
+ retv = -EFAULT;
+ break;
+ }
+ if (sk->sk_bound_dev_if && pkt.ipi6_ifindex != sk->sk_bound_dev_if)
+ goto e_inval;
+
+ np->sticky_pktinfo.ipi6_ifindex = pkt.ipi6_ifindex;
+ ipv6_addr_copy(&np->sticky_pktinfo.ipi6_addr, &pkt.ipi6_addr);
+ retv = 0;
+ break;
+ }
+
case IPV6_2292PKTOPTIONS:
{
struct ipv6_txoptions *opt = NULL;
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