1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/isdn/isdnloop/isdnloop.h b/drivers/isdn/isdnloop/isdnloop.h
index d699fe53e1c3..0d458a86f529 100644
--- a/drivers/isdn/isdnloop/isdnloop.h
+++ b/drivers/isdn/isdnloop/isdnloop.h
@@ -94,6 +94,7 @@ typedef struct isdnloop_card {
         struct sk_buff_head
          bqueue[ISDNLOOP_BCH];  /* B-Channel queues                 */
         struct sk_buff_head dqueue;     /* D-Channel queue                  */
+        spinlock_t isdnloop_lock;
 } isdnloop_card;
 
 /*