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Commit ba3af34e authored by Andreas Eversberg's avatar Andreas Eversberg Committed by David S. Miller
Browse files

mISDN: Fixed missing spin lock on pipeline process 



Need to protect the complete pipeline.

Signed-off-by: default avatarAndreas Eversberg <andreas@eversberg.eu>
Signed-off-by: default avatarKarsten Keil <keil@b1-systems.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 44e09589

drivers/isdn/mISDN/dsp_core.c

+3 −1
Original line number Diff line number Diff line
@@ -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) {