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author | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:37 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:37 +0100 |
commit | cb3f2adc03ab055b19c677a6283523861fafebdd (patch) | |
tree | 59cfb6800f0635a4aec16c8e0da619f27e51ee79 /net/core/netprio_cgroup.c | |
parent | 44c76a960a62fcc46cbcaa0a22a34e666a729329 (diff) | |
parent | 828006de1bddf83b6ecf03ec459c15f7c7c22db7 (diff) | |
download | op-kernel-dev-cb3f2adc03ab055b19c677a6283523861fafebdd.zip op-kernel-dev-cb3f2adc03ab055b19c677a6283523861fafebdd.tar.gz |
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'net/core/netprio_cgroup.c')
-rw-r--r-- | net/core/netprio_cgroup.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 3a9fd48..4dacc44 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -58,11 +58,12 @@ static int get_prioidx(u32 *prio) spin_lock_irqsave(&prioidx_map_lock, flags); prioidx = find_first_zero_bit(prioidx_map, sizeof(unsigned long) * PRIOIDX_SZ); + if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) { + spin_unlock_irqrestore(&prioidx_map_lock, flags); + return -ENOSPC; + } set_bit(prioidx, prioidx_map); spin_unlock_irqrestore(&prioidx_map_lock, flags); - if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) - return -ENOSPC; - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; @@ -107,7 +108,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len) static void update_netdev_tables(void) { struct net_device *dev; - u32 max_len = atomic_read(&max_prioidx); + u32 max_len = atomic_read(&max_prioidx) + 1; struct netprio_map *map; rtnl_lock(); @@ -270,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused, { struct net_device *dev = ptr; struct netprio_map *old; - u32 max_len = atomic_read(&max_prioidx); /* * Note this is called with rtnl_lock held so we have update side @@ -278,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused, */ switch (event) { - - case NETDEV_REGISTER: - if (max_len) - extend_netdev_table(dev, max_len); - break; case NETDEV_UNREGISTER: old = rtnl_dereference(dev->priomap); RCU_INIT_POINTER(dev->priomap, NULL); |