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| author | Takashi Iwai <tiwai@suse.de> | 2013-06-17 08:45:28 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-06-17 08:45:28 (GMT) |
| commit | ddf753efa4f1f74cb182be6d0a6e41d72a8bf807 (patch) | |
| tree | a894b94b7e36f338d5879a243d628e346060cb4a /drivers/net/tun.c | |
| parent | 63e51fd708f511a5989da04c669647993bc1a512 (diff) | |
| parent | 36691e1be6ec551eef4a5225f126a281f8c051c2 (diff) | |
| download | linux-ddf753efa4f1f74cb182be6d0a6e41d72a8bf807.tar.xz | |
Merge branch 'for-linus' into for-next
* for-linus: (635 commits)
ALSA: usb-audio: Fix invalid volume resolution for Logitech HD Webcam c310
ALSA: hda - Fix pin configurations for MacBook Air 4,2
ALSA: usb-audio: work around Android accessory firmware bug
ALSA: hda - Headset mic support for three more machines
Linux 3.10-rc6
smp.h: Use local_irq_{save,restore}() in !SMP version of on_each_cpu().
powerpc: Fix missing/delayed calls to irq_work
powerpc: Fix emulation of illegal instructions on PowerNV platform
powerpc: Fix stack overflow crash in resume_kernel when ftracing
snd_pcm_link(): fix a leak...
use can_lookup() instead of direct checks of ->i_op->lookup
move exit_task_namespaces() outside of exit_notify()
fput: task_work_add() can fail if the caller has passed exit_task_work()
xfs: don't shutdown log recovery on validation errors
xfs: ensure btree root split sets blkno correctly
xfs: fix implicit padding in directory and attr CRC formats
xfs: don't emit v5 superblock warnings on write
mei: me: clear interrupts on the resume path
mei: nfc: fix nfc device freeing
mei: init: Flush scheduled work before resetting the device
...
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index f042b03..bfa9bb4 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -352,7 +352,7 @@ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb) u32 numqueues = 0; rcu_read_lock(); - numqueues = tun->numqueues; + numqueues = ACCESS_ONCE(tun->numqueues); txq = skb_get_rxhash(skb); if (txq) { @@ -1585,6 +1585,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) else return -EINVAL; + if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) != + !!(tun->flags & TUN_TAP_MQ)) + return -EINVAL; + if (tun_not_capable(tun)) return -EPERM; err = security_tun_dev_open(tun->security); @@ -2155,6 +2159,8 @@ static int tun_chr_open(struct inode *inode, struct file * file) set_bit(SOCK_EXTERNALLY_ALLOCATED, &tfile->socket.flags); INIT_LIST_HEAD(&tfile->next); + sock_set_flag(&tfile->sk, SOCK_ZEROCOPY); + return 0; } |