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authorDave Airlie <airlied@redhat.com>2013-06-27 20:40:44 +1000
committerDave Airlie <airlied@redhat.com>2013-06-27 20:40:44 +1000
commit4300a0f8bdcce5a03b88bfa16fc9827e15c52dc4 (patch)
treedea0276d7d0a12147f04ddbef9121e32e903c5ca /drivers/net/tun.c
parentdrm: kms_helper: don't lose hotplug event (diff)
parentLinux 3.10-rc7 (diff)
downloadlinux-dev-4300a0f8bdcce5a03b88bfa16fc9827e15c52dc4.tar.xz
linux-dev-4300a0f8bdcce5a03b88bfa16fc9827e15c52dc4.zip
Merge tag 'v3.10-rc7' into drm-next
Linux 3.10-rc7 The sdvo lvds fix in this -fixes pull commit c3456fb3e4712d0448592af3c5d644c9472cd3c1 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Jun 10 09:47:58 2013 +0200 drm/i915: prefer VBT modes for SVDO-LVDS over EDID has a silent functional conflict with commit 990256aec2f10800595dddf4d1c3441fcd6b2616 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri May 31 12:17:07 2013 +0000 drm: Add probed modes in probe order in drm-next. W simply need to add the vbt modes before edid modes, i.e. the other way round than now. Conflicts: drivers/gpu/drm/drm_prime.c drivers/gpu/drm/i915/intel_sdvo.c
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f042b0373e5d..bfa9bb48e42d 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;
}