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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /drivers/net/tun.c
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 8fe9cb7d0f7..ee328ba101e 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -452,7 +452,7 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
--tun->numqueues;
if (clean) {
- rcu_assign_pointer(tfile->tun, NULL);
+ RCU_INIT_POINTER(tfile->tun, NULL);
sock_put(&tfile->sk);
} else
tun_disable_queue(tun, tfile);
@@ -499,12 +499,12 @@ static void tun_detach_all(struct net_device *dev)
tfile = rtnl_dereference(tun->tfiles[i]);
BUG_ON(!tfile);
wake_up_all(&tfile->wq.wait);
- rcu_assign_pointer(tfile->tun, NULL);
+ RCU_INIT_POINTER(tfile->tun, NULL);
--tun->numqueues;
}
list_for_each_entry(tfile, &tun->disabled, next) {
wake_up_all(&tfile->wq.wait);
- rcu_assign_pointer(tfile->tun, NULL);
+ RCU_INIT_POINTER(tfile->tun, NULL);
}
BUG_ON(tun->numqueues != 0);
@@ -1686,7 +1686,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX;
dev->features = dev->hw_features;
- dev->vlan_features = dev->features;
+ dev->vlan_features = dev->features &
+ ~(NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX);
INIT_LIST_HEAD(&tun->disabled);
err = tun_attach(tun, file, false);
@@ -2192,7 +2194,7 @@ static int tun_chr_open(struct inode *inode, struct file * file)
&tun_proto);
if (!tfile)
return -ENOMEM;
- rcu_assign_pointer(tfile->tun, NULL);
+ RCU_INIT_POINTER(tfile->tun, NULL);
tfile->net = get_net(current->nsproxy->net_ns);
tfile->flags = 0;
tfile->ifindex = 0;