diff options
Diffstat (limited to 'include/net/rose.h')
| -rw-r--r-- | include/net/rose.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/net/rose.h b/include/net/rose.h index 0f0a4ce0fee7..2b5491bbf39a 100644 --- a/include/net/rose.h +++ b/include/net/rose.h @@ -8,7 +8,9 @@ #ifndef _ROSE_H #define _ROSE_H +#include <linux/refcount.h> #include <linux/rose.h> +#include <net/ax25.h> #include <net/sock.h> #define ROSE_ADDR_LEN 5 @@ -95,7 +97,7 @@ struct rose_neigh { ax25_cb *ax25; struct net_device *dev; unsigned short count; - unsigned short use; + refcount_t use; unsigned int number; char restarted; char dce_mode; @@ -131,7 +133,8 @@ struct rose_sock { ax25_address source_digis[ROSE_MAX_DIGIS]; ax25_address dest_digis[ROSE_MAX_DIGIS]; struct rose_neigh *neighbour; - struct net_device *device; + struct net_device *device; + netdevice_tracker dev_tracker; unsigned int lci, rand; unsigned char state, condition, qbitincl, defer; unsigned char cause, diagnostic; @@ -149,6 +152,21 @@ struct rose_sock { #define rose_sk(sk) ((struct rose_sock *)(sk)) +static inline void rose_neigh_hold(struct rose_neigh *rose_neigh) +{ + refcount_inc(&rose_neigh->use); +} + +static inline void rose_neigh_put(struct rose_neigh *rose_neigh) +{ + if (refcount_dec_and_test(&rose_neigh->use)) { + if (rose_neigh->ax25) + ax25_cb_put(rose_neigh->ax25); + kfree(rose_neigh->digipeat); + kfree(rose_neigh); + } +} + /* af_rose.c */ extern ax25_address rose_callsign; extern int sysctl_rose_restart_request_timeout; |