diff options
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 95f38595b0f7f..f6a7b876d5954 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1601,6 +1601,10 @@ replay: NL_SET_ERR_MSG(extack, "Qdisc parent/child loop detected"); return -ELOOP; } + if (clid == TC_H_INGRESS) { + NL_SET_ERR_MSG(extack, "Ingress cannot graft directly"); + return -EINVAL; + } qdisc_refcount_inc(q); goto graft; } else { |