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| author | Maxime Ripard <maxime@cerno.tech> | 2022-07-13 10:33:00 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-07-13 10:33:00 +0200 |
| commit | 4de395f2c632c31c575f72d49d4f4389c99dab68 (patch) | |
| tree | 29abd2c05c697f2d6bde19c10064c49246253828 /drivers/net/tun.c | |
| parent | bbd60fee2d2166b2b8722cbad740996ef2e7ce40 (diff) | |
| parent | 0180290abb5ce5c870f84a00ffeda5802f641dce (diff) | |
| download | linux-stable-4de395f2c632c31c575f72d49d4f4389c99dab68.tar.gz linux-stable-4de395f2c632c31c575f72d49d4f4389c99dab68.tar.bz2 linux-stable-4de395f2c632c31c575f72d49d4f4389c99dab68.zip | |
Merge drm/drm-next into drm-misc-next
I need to have some vc4 patches merged in -rc4, but drm-misc-next is
only at -rc2 for now.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 87a635aac008..259b2b84b2b3 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -273,6 +273,12 @@ static void tun_napi_init(struct tun_struct *tun, struct tun_file *tfile, } } +static void tun_napi_enable(struct tun_file *tfile) +{ + if (tfile->napi_enabled) + napi_enable(&tfile->napi); +} + static void tun_napi_disable(struct tun_file *tfile) { if (tfile->napi_enabled) @@ -634,7 +640,8 @@ static void __tun_detach(struct tun_file *tfile, bool clean) tun = rtnl_dereference(tfile->tun); if (tun && clean) { - tun_napi_disable(tfile); + if (!tfile->detached) + tun_napi_disable(tfile); tun_napi_del(tfile); } @@ -653,8 +660,10 @@ static void __tun_detach(struct tun_file *tfile, bool clean) if (clean) { RCU_INIT_POINTER(tfile->tun, NULL); sock_put(&tfile->sk); - } else + } else { tun_disable_queue(tun, tfile); + tun_napi_disable(tfile); + } synchronize_net(); tun_flow_delete_by_queue(tun, tun->numqueues + 1); @@ -727,6 +736,7 @@ static void tun_detach_all(struct net_device *dev) sock_put(&tfile->sk); } list_for_each_entry_safe(tfile, tmp, &tun->disabled, next) { + tun_napi_del(tfile); tun_enable_queue(tfile); tun_queue_purge(tfile); xdp_rxq_info_unreg(&tfile->xdp_rxq); @@ -807,6 +817,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file, if (tfile->detached) { tun_enable_queue(tfile); + tun_napi_enable(tfile); } else { sock_hold(&tfile->sk); tun_napi_init(tun, tfile, napi, napi_frags); |