diff options
Diffstat (limited to 'net/core/net-sysfs.c')
| -rw-r--r-- | net/core/net-sysfs.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index c9b969386399..8f897e2c8b4f 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1210,12 +1210,21 @@ static int rx_queue_default_mask(struct net_device *dev, struct netdev_rx_queue *queue) { #if IS_ENABLED(CONFIG_RPS) && IS_ENABLED(CONFIG_SYSCTL) - struct cpumask *rps_default_mask = READ_ONCE(dev_net(dev)->core.rps_default_mask); + struct cpumask *rps_default_mask; + int res = 0; + mutex_lock(&rps_default_mask_mutex); + + rps_default_mask = dev_net(dev)->core.rps_default_mask; if (rps_default_mask && !cpumask_empty(rps_default_mask)) - return netdev_rx_queue_set_rps_mask(queue, rps_default_mask); -#endif + res = netdev_rx_queue_set_rps_mask(queue, rps_default_mask); + + mutex_unlock(&rps_default_mask_mutex); + + return res; +#else return 0; +#endif } static int rx_queue_add_kobject(struct net_device *dev, int index) |