[PATCH 1/1] tipc: return value of skb_linearize should be handled

[Zhouyi Zhou]

return value of skb_linearize should be handled

Signed-off-by: Zhouyi Zhou <yizhouz...@ict.ac.cn>
Reviewed-by: Cong Wang <xiyou.wangc...@gmail.com>
Reviewed-by: Yuval Shaia <yuval.sh...@oracle.com>
Reviewed-by: Eric Dumazet <eric.duma...@gmail.com>
---
 net/tipc/link.c       | 3 ++-
 net/tipc/name_distr.c | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/tipc/link.c b/net/tipc/link.c
index bda89bf..077c570 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1446,7 +1446,8 @@ static int tipc_link_proto_rcv(struct tipc_link *l, 
struct sk_buff *skb,
        if (tipc_own_addr(l->net) > msg_prevnode(hdr))
                l->net_plane = msg_net_plane(hdr);
 
-       skb_linearize(skb);
+       if (skb_linearize(skb))
+               goto exit;
        hdr = buf_msg(skb);
        data = msg_data(hdr);
 
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index c1cfd92..4e05d2a 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -356,7 +356,10 @@ void tipc_named_rcv(struct net *net, struct sk_buff_head 
*inputq)
 
        spin_lock_bh(&tn->nametbl_lock);
        for (skb = skb_dequeue(inputq); skb; skb = skb_dequeue(inputq)) {
-               skb_linearize(skb);
+               if (skb_linearize(skb)) {
+                       kfree_skb(skb);
+                       continue;
+               }
                msg = buf_msg(skb);
                mtype = msg_type(msg);
                item = (struct distr_item *)msg_data(msg);
-- 
1.9.1