diff options
Diffstat (limited to 'net/caif/caif_dev.c')
| -rw-r--r-- | net/caif/caif_dev.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 554b31289607..1ae1d9cb278d 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -90,11 +90,8 @@ static int caifd_refcnt_read(struct caif_device_entry *e) /* Allocate new CAIF device. */ static struct caif_device_entry *caif_device_alloc(struct net_device *dev) { - struct caif_device_entry_list *caifdevs; struct caif_device_entry *caifd; - caifdevs = caif_device_list(dev_net(dev)); - caifd = kzalloc(sizeof(*caifd), GFP_KERNEL); if (!caifd) return NULL; @@ -131,6 +128,11 @@ void caif_flow_cb(struct sk_buff *skb) rcu_read_lock(); caifd = caif_get(skb->dev); + + WARN_ON(caifd == NULL); + if (caifd == NULL) + return; + caifd_hold(caifd); rcu_read_unlock(); @@ -561,9 +563,9 @@ static int __init caif_device_init(void) static void __exit caif_device_exit(void) { - unregister_pernet_subsys(&caif_net_ops); unregister_netdevice_notifier(&caif_device_notifier); dev_remove_pack(&caif_packet_type); + unregister_pernet_subsys(&caif_net_ops); } module_init(caif_device_init); |