diff options
| -rw-r--r-- | net/sched/cls_api.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index a7dc7271042a..247b7cc20c13 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -1397,13 +1397,18 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb) nla_get_u32(tca[TCA_CHAIN]) != chain->index) continue; if (!tcf_chain_dump(chain, q, parent, skb, cb, - index_start, &index)) + index_start, &index)) { + err = -EMSGSIZE; break; + } } cb->args[0] = index; out: + /* If we did no progress, the error (EMSGSIZE) is real */ + if (skb->len == 0 && err) + return err; return skb->len; } |