diff options
| -rw-r--r-- | drivers/isdn/mISDN/dsp_core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 1c49368e0a90..621ea9bc7c25 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -704,6 +704,8 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb) break; } + spin_lock_irqsave(&dsp_lock, flags); + /* decrypt if enabled */ if (dsp->bf_enable) dsp_bf_decrypt(dsp, skb->data, skb->len); @@ -741,11 +743,11 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb) } } /* we need to process receive data if software */ - spin_lock_irqsave(&dsp_lock, flags); if (dsp->pcm_slot_tx < 0 && dsp->pcm_slot_rx < 0) { /* process data from card at cmx */ dsp_cmx_receive(dsp, skb); } + spin_unlock_irqrestore(&dsp_lock, flags); if (dsp->rx_disabled) { |