diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:51:10 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:51:10 +0100 |
| commit | 141d3b1daacd11bdbd6fa74c2b163093e10d17ee (patch) | |
| tree | 04c98496f16ad2fe34c0cf4f31fedf4fe558c017 /drivers/net/ppp | |
| parent | c201c91799d687c0a6d8c3272950f51aad5ffebe (diff) | |
| parent | e4880bc5dfb1f02b152e62a894b5c6f3e995b3cf (diff) | |
Merge branch 'linus' into x86/apic, to resolve conflicts
Conflicts:
arch/x86/include/asm/x2apic.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ppp')
| -rw-r--r-- | drivers/net/ppp/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 20 | ||||
| -rw-r--r-- | drivers/net/ppp/ppp_mppe.h | 1 |
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ppp/Makefile b/drivers/net/ppp/Makefile index a6b6297b0066..16c457d6b324 100644 --- a/drivers/net/ppp/Makefile +++ b/drivers/net/ppp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux PPP network device drivers. # diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index c3f77e3b7819..e365866600ba 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1339,7 +1339,17 @@ ppp_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats64) static int ppp_dev_init(struct net_device *dev) { + struct ppp *ppp; + netdev_lockdep_set_classes(dev); + + ppp = netdev_priv(dev); + /* Let the netdevice take a reference on the ppp file. This ensures + * that ppp_destroy_interface() won't run before the device gets + * unregistered. + */ + atomic_inc(&ppp->file.refcnt); + return 0; } @@ -1362,6 +1372,15 @@ static void ppp_dev_uninit(struct net_device *dev) wake_up_interruptible(&ppp->file.rwait); } +static void ppp_dev_priv_destructor(struct net_device *dev) +{ + struct ppp *ppp; + + ppp = netdev_priv(dev); + if (atomic_dec_and_test(&ppp->file.refcnt)) + ppp_destroy_interface(ppp); +} + static const struct net_device_ops ppp_netdev_ops = { .ndo_init = ppp_dev_init, .ndo_uninit = ppp_dev_uninit, @@ -1387,6 +1406,7 @@ static void ppp_setup(struct net_device *dev) dev->tx_queue_len = 3; dev->type = ARPHRD_PPP; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; + dev->priv_destructor = ppp_dev_priv_destructor; netif_keep_dst(dev); } diff --git a/drivers/net/ppp/ppp_mppe.h b/drivers/net/ppp/ppp_mppe.h index 7a14e058c668..677b3b3f7425 100644 --- a/drivers/net/ppp/ppp_mppe.h +++ b/drivers/net/ppp/ppp_mppe.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define MPPE_PAD 4 /* MPPE growth per frame */ #define MPPE_MAX_KEY_LEN 16 /* largest key length (128-bit) */ |