mptcp/pm_netlink.c : add check for nla_put_in/6_addr

Normal there should be checked for nla_put_in6_addr like other
usage in net.

Detected by CoverityScan, CID# 1461639

Fixes: 99f1c40f5b5e ("mptcp: add netlink-based PM")
Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 86d61ab34c7c3c5d8327c7996c813adab634159c..b78edf237ba0ad6457f82758edf8623c913f9a4e 100644 (file)
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -599,12 +599,14 @@ static int mptcp_nl_fill_addr(struct sk_buff *skb,
            nla_put_s32(skb, MPTCP_PM_ADDR_ATTR_IF_IDX, entry->ifindex))
                goto nla_put_failure;
 
-       if (addr->family == AF_INET)
-               nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
-                               addr->addr.s_addr);
+       if (addr->family == AF_INET &&
+           nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
+                           addr->addr.s_addr))
+               goto nla_put_failure;
 #if IS_ENABLED(CONFIG_MPTCP_IPV6)
-       else if (addr->family == AF_INET6)
-               nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6);
+       else if (addr->family == AF_INET6 &&
+                nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6))
+               goto nla_put_failure;
 #endif
        nla_nest_end(skb, attr);
        return 0;