diff options
| -rw-r--r-- | net/core/netdev-genl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index a3bdaf075b6b..c59619a2ec23 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -263,14 +263,21 @@ netdev_nl_napi_dump_one(struct net_device *netdev, struct sk_buff *rsp, struct netdev_nl_dump_ctx *ctx) { struct napi_struct *napi; + unsigned int prev_id; int err = 0; if (!(netdev->flags & IFF_UP)) return err; + prev_id = UINT_MAX; list_for_each_entry(napi, &netdev->napi_list, dev_list) { if (napi->napi_id < MIN_NAPI_ID) continue; + + /* Dump continuation below depends on the list being sorted */ + WARN_ON_ONCE(napi->napi_id >= prev_id); + prev_id = napi->napi_id; + if (ctx->napi_id && napi->napi_id >= ctx->napi_id) continue; |