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Diffstat (limited to 'net/tipc/link.c')
-rw-r--r--net/tipc/link.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index a5ea19e..c1aba69 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -645,7 +645,7 @@ int __tipc_link_xmit(struct net *net, struct tipc_link *link,
{
struct tipc_msg *msg = buf_msg(skb_peek(list));
unsigned int maxwin = link->window;
- unsigned int imp = msg_importance(msg);
+ unsigned int i, imp = msg_importance(msg);
uint mtu = link->mtu;
u16 ack = mod(link->rcv_nxt - 1);
u16 seqno = link->snd_nxt;
@@ -655,10 +655,11 @@ int __tipc_link_xmit(struct net *net, struct tipc_link *link,
struct sk_buff_head *backlogq = &link->backlogq;
struct sk_buff *skb, *tmp;
- /* Match backlog limit against msg importance: */
- if (unlikely(link->backlog[imp].len >= link->backlog[imp].limit))
- return link_schedule_user(link, list);
-
+ /* Match msg importance against this and all higher backlog limits: */
+ for (i = imp; i <= TIPC_SYSTEM_IMPORTANCE; i++) {
+ if (unlikely(link->backlog[i].len >= link->backlog[i].limit))
+ return link_schedule_user(link, list);
+ }
if (unlikely(msg_size(msg) > mtu)) {
__skb_queue_purge(list);
return -EMSGSIZE;