link-local address fix for rdma_resolve_addr

Commit Message

David J Wilder Oct. 13, 2009, 10:09 p.m. UTC

None

Patch

--- drivers/infiniband/core/addr.c.1759	2009-10-13 15:57:48.000000000 -0500
+++ drivers/infiniband/core/addr.c	2009-10-13 16:11:02.000000000 -0500
@@ -278,6 +278,15 @@  static int addr6_resolve_remote(struct s
 	fl.nl_u.ip6_u.daddr = dst_in->sin6_addr;
 	fl.nl_u.ip6_u.saddr = src_in->sin6_addr;
 
+	if (ipv6_addr_type(&dst_in->sin6_addr) & IPV6_ADDR_LINKLOCAL){
+		if (!dst_in->sin6_scope_id)
+			return -EINVAL;
+		if ( src_in->sin6_scope_id &&
+			(src_in->sin6_scope_id != dst_in->sin6_scope_id))
+			return -EINVAL;
+		fl.oif = dst_in->sin6_scope_id;
+	}
+
 	dst = ip6_route_output(&init_net, NULL, &fl);
 	if (!dst)
 		return ret;