Re: [PATCH,v2,net-next 1/2] tun: enable NAPI for TUN/TAP driver
From: Mahesh Bandewar (महेश बंडेवार) <hidden>
Date: 2017-09-22 17:11:21
quoted hunk ↗ jump to hunk
#ifdef CONFIG_TUN_VNET_CROSS_LE static inline bool tun_legacy_is_little_endian(struct tun_struct *tun) {@@ -541,6 +604,11 @@ static void __tun_detach(struct tun_file *tfile, bool clean) tun = rtnl_dereference(tfile->tun); + if (tun && clean) { + tun_napi_disable(tun, tfile);
are we missing synchronize_net() separating disable and del calls?
+ tun_napi_del(tun, tfile);
+ }
+
if (tun && !tfile->detached) {
u16 index = tfile->queue_index;
BUG_ON(index >= tun->numqueues);