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authorG. Liakhovetski <gl@dsa-ac.de>2007-07-02 22:56:57 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-10 22:16:52 -0700
commit93cce3d3657bfb5d04789afcd5104f8c48700f32 (patch)
tree03d9392aec25c4386c390d0b45f3ec3f50bd8702 /net/irda/irttp.c
parent66f5e51ed5a300291b34bf3e2b1e22ac28ca3631 (diff)
[IrDA]: tsap init routine factorisation.
This patch extracts common code from irttp_open_tsap() and irttp_dup() into a new function to 1) avoid code duplication, 2) help avoid forgetting object initialization in the tsap duplication path in the future. Signed-off-by: G. Liakhovetski <gl@dsa-ac.de> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda/irttp.c')
-rw-r--r--net/irda/irttp.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 7069e4a5825..ce4647542b9 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -369,6 +369,20 @@ static int irttp_param_max_sdu_size(void *instance, irda_param_t *param,
/* Everything is happily mixed up. Waiting for next clean up - Jean II */
/*
+ * Initialization, that has to be done on new tsap
+ * instance allocation and on duplication
+ */
+static void irttp_init_tsap(struct tsap_cb *tsap)
+{
+ spin_lock_init(&tsap->lock);
+ init_timer(&tsap->todo_timer);
+
+ skb_queue_head_init(&tsap->rx_queue);
+ skb_queue_head_init(&tsap->tx_queue);
+ skb_queue_head_init(&tsap->rx_fragments);
+}
+
+/*
* Function irttp_open_tsap (stsap, notify)
*
* Create TSAP connection endpoint,
@@ -395,10 +409,11 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
IRDA_DEBUG(0, "%s(), unable to kmalloc!\n", __FUNCTION__);
return NULL;
}
- spin_lock_init(&self->lock);
+
+ /* Initialize internal objects */
+ irttp_init_tsap(self);
/* Initialise todo timer */
- init_timer(&self->todo_timer);
self->todo_timer.data = (unsigned long) self;
self->todo_timer.function = &irttp_todo_expired;
@@ -418,9 +433,6 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
self->magic = TTP_TSAP_MAGIC;
self->connected = FALSE;
- skb_queue_head_init(&self->rx_queue);
- skb_queue_head_init(&self->tx_queue);
- skb_queue_head_init(&self->rx_fragments);
/*
* Create LSAP at IrLMP layer
*/
@@ -1455,12 +1467,9 @@ struct tsap_cb *irttp_dup(struct tsap_cb *orig, void *instance)
/* Not everything should be copied */
new->notify.instance = instance;
- spin_lock_init(&new->lock);
- init_timer(&new->todo_timer);
- skb_queue_head_init(&new->rx_queue);
- skb_queue_head_init(&new->tx_queue);
- skb_queue_head_init(&new->rx_fragments);
+ /* Initialize internal objects */
+ irttp_init_tsap(new);
/* This is locked */
hashbin_insert(irttp->tsaps, (irda_queue_t *) new, (long) new, NULL);