diff options
| author | Kevin Hilman <khilman@ti.com> | 2012-03-05 15:37:04 -0800 |
|---|---|---|
| committer | Kevin Hilman <khilman@ti.com> | 2012-03-05 15:37:04 -0800 |
| commit | 015f1e4297ad32f83251f3f4cee2389ce5516e9e (patch) | |
| tree | 1b16e317005dc3d09b0551a4db9182f7f4119f71 /net/core/netprio_cgroup.c | |
| parent | 1b35af54ee9cbbdd13fed53fd4acb0952ba522e1 (diff) | |
| parent | 9cf793f9b8b1ba9414e2a7591b2e911885f85a27 (diff) | |
Merge remote-tracking branch 'omap/hsmmc' into for_3.4/cleanup/pm-base
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 3a9fd4826b7..4dacc44637e 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); |