dhcp: Fix classless static routes

Summary:
Assign the netwask correctly from the message.
Fixes T122.

Test Plan: Test dhcpcd using the Classless Static Routes DHCP option.

Reviewers: c_14

Reviewed By: c_14

Maniphest Tasks: T122

Differential Revision: https://dev.marples.name/D116

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dhcp.c b/src/dhcp.c
index 1389f72c..be3d354a 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -452,7 +452,7 @@ decode_rfc3442_rt(struct rt_head *routes, struct interface *ifp,
 		}
 
 		sa_in_init(&rt->rt_dest, &dest);
-		sa_in_init(&rt->rt_dest, &netmask);
+		sa_in_init(&rt->rt_netmask, &netmask);
 		sa_in_init(&rt->rt_gateway, &gateway);
 
 		/* If CIDR is 32 then it's a host route. */