diff options
| author | Takashi Iwai <tiwai@suse.de> | 2014-04-28 12:00:36 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-04-28 12:00:36 +0200 |
| commit | 474a59610729a178cd3c9a6ab990da770b856c74 (patch) | |
| tree | 4b2967dee40ee4d7269fd0b2c59088b4d9bc1286 /net/8021q/vlan_dev.c | |
| parent | 8dc9abb93dde94e7f2bc719032fe16f5713df05c (diff) | |
| parent | 98810a6dcf8af768d7b0b71e5075ff9c199f5196 (diff) | |
Merge tag 'asoc-v3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.15
A smattering of driver-specific fixes here, nothing generic. The Cirrus
CODEC conversions to devm_ are leak fixes - the conversion adds missing
error handling code.
Diffstat (limited to 'net/8021q/vlan_dev.c')
| -rw-r--r-- | net/8021q/vlan_dev.c | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 6f142f03716d..733ec283ed1b 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -493,10 +493,48 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change) } } +static int vlan_calculate_locking_subclass(struct net_device *real_dev) +{ + int subclass = 0; + + while (is_vlan_dev(real_dev)) { + subclass++; + real_dev = vlan_dev_priv(real_dev)->real_dev; + } + + return subclass; +} + +static void vlan_dev_mc_sync(struct net_device *to, struct net_device *from) +{ + int err = 0, subclass; + + subclass = vlan_calculate_locking_subclass(to); + + spin_lock_nested(&to->addr_list_lock, subclass); + err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len); + if (!err) + __dev_set_rx_mode(to); + spin_unlock(&to->addr_list_lock); +} + +static void vlan_dev_uc_sync(struct net_device *to, struct net_device *from) +{ + int err = 0, subclass; + + subclass = vlan_calculate_locking_subclass(to); + + spin_lock_nested(&to->addr_list_lock, subclass); + err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len); + if (!err) + __dev_set_rx_mode(to); + spin_unlock(&to->addr_list_lock); +} + static void vlan_dev_set_rx_mode(struct net_device *vlan_dev) { - dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev); - dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev); + vlan_dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev); + vlan_dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev); } /* @@ -608,9 +646,7 @@ static int vlan_dev_init(struct net_device *dev) SET_NETDEV_DEVTYPE(dev, &vlan_type); - if (is_vlan_dev(real_dev)) - subclass = 1; - + subclass = vlan_calculate_locking_subclass(dev); vlan_dev_set_lockdep_class(dev, subclass); vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats); |
