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-rw-r--r--drivers/isdn/mISDN/dsp_core.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 1d504ba954f..c16cb7ac3d2 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -867,11 +867,14 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb)
}
if (dsp->hdlc) {
/* hdlc */
- spin_lock_irqsave(&dsp_lock, flags);
- if (dsp->b_active) {
- skb_queue_tail(&dsp->sendq, skb);
- schedule_work(&dsp->workq);
+ if (!dsp->b_active) {
+ ret = -EIO;
+ break;
}
+ hh->prim = PH_DATA_REQ;
+ spin_lock_irqsave(&dsp_lock, flags);
+ skb_queue_tail(&dsp->sendq, skb);
+ schedule_work(&dsp->workq);
spin_unlock_irqrestore(&dsp_lock, flags);
return 0;
}