diff options
Diffstat (limited to 'net/ax25')
-rw-r--r-- | net/ax25/ax25_iface.c | 55 |
1 files changed, 9 insertions, 46 deletions
diff --git a/net/ax25/ax25_iface.c b/net/ax25/ax25_iface.c index 51e2934..aff3e65 100644 --- a/net/ax25/ax25_iface.c +++ b/net/ax25/ax25_iface.c @@ -32,10 +32,7 @@ static struct ax25_protocol *protocol_list; static DEFINE_RWLOCK(protocol_list_lock); -static struct linkfail_struct { - struct linkfail_struct *next; - void (*func)(ax25_cb *, int); -} *linkfail_list = NULL; +static HLIST_HEAD(ax25_linkfail_list); static DEFINE_SPINLOCK(linkfail_lock); static struct listen_struct { @@ -93,54 +90,19 @@ void ax25_protocol_release(unsigned int pid) EXPORT_SYMBOL(ax25_protocol_release); -int ax25_linkfail_register(void (*func)(ax25_cb *, int)) +void ax25_linkfail_register(struct ax25_linkfail *lf) { - struct linkfail_struct *linkfail; - - if ((linkfail = kmalloc(sizeof(*linkfail), GFP_ATOMIC)) == NULL) - return 0; - - linkfail->func = func; - spin_lock_bh(&linkfail_lock); - linkfail->next = linkfail_list; - linkfail_list = linkfail; + hlist_add_head(&lf->lf_node, &ax25_linkfail_list); spin_unlock_bh(&linkfail_lock); - - return 1; } EXPORT_SYMBOL(ax25_linkfail_register); -void ax25_linkfail_release(void (*func)(ax25_cb *, int)) +void ax25_linkfail_release(struct ax25_linkfail *lf) { - struct linkfail_struct *s, *linkfail; - spin_lock_bh(&linkfail_lock); - linkfail = linkfail_list; - if (linkfail == NULL) { - spin_unlock_bh(&linkfail_lock); - return; - } - - if (linkfail->func == func) { - linkfail_list = linkfail->next; - spin_unlock_bh(&linkfail_lock); - kfree(linkfail); - return; - } - - while (linkfail != NULL && linkfail->next != NULL) { - if (linkfail->next->func == func) { - s = linkfail->next; - linkfail->next = linkfail->next->next; - spin_unlock_bh(&linkfail_lock); - kfree(s); - return; - } - - linkfail = linkfail->next; - } + hlist_del_init(&lf->lf_node); spin_unlock_bh(&linkfail_lock); } @@ -237,11 +199,12 @@ int ax25_listen_mine(ax25_address *callsign, struct net_device *dev) void ax25_link_failed(ax25_cb *ax25, int reason) { - struct linkfail_struct *linkfail; + struct ax25_linkfail *lf; + struct hlist_node *node; spin_lock_bh(&linkfail_lock); - for (linkfail = linkfail_list; linkfail != NULL; linkfail = linkfail->next) - (linkfail->func)(ax25, reason); + hlist_for_each_entry(lf, node, &ax25_linkfail_list, lf_node) + lf->func(ax25, reason); spin_unlock_bh(&linkfail_lock); } |