[PATCH] isdn4linux: Siemens Gigaset drivers: make some variables non-atomic

[linux-2.6] / drivers / isdn / gigaset / isocdata.c

diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 2f1628734a38d35a2e6f733f7e02ffc55b55dcae..45f017ed6e8caf093bca94fc9422c9bb87cafff5 100644 (file)
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -990,13 +990,17 @@ void gigaset_isoc_input(struct inbuf_t *inbuf)
 int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 {
        int len = skb->len;
+       unsigned long flags;
 
        skb_queue_tail(&bcs->squeue, skb);
        gig_dbg(DEBUG_ISO, "%s: skb queued, qlen=%d",
                __func__, skb_queue_len(&bcs->squeue));
 
        /* tasklet submits URB if necessary */
-       tasklet_schedule(&bcs->hw.bas->sent_tasklet);
+       spin_lock_irqsave(&bcs->cs->lock, flags);
+       if (bcs->cs->connected)
+               tasklet_schedule(&bcs->hw.bas->sent_tasklet);
+       spin_unlock_irqrestore(&bcs->cs->lock, flags);
 
        return len;     /* ok so far */
 }