Avoid null pointer exception for invalid L2CAP channels

Change-Id: I8ac40e9cfe6dd015f40c6f493727e123a0d247e6

diff --git a/stack/l2cap/l2c_csm.c b/stack/l2cap/l2c_csm.c
index 97372ba..7a77f36 100644 (file)
--- a/stack/l2cap/l2c_csm.c
+++ b/stack/l2cap/l2c_csm.c
@@ -1024,7 +1024,8 @@ static void l2c_csm_open (tL2C_CCB *p_ccb, UINT16 event, void *p_data)
         break;
 
     case L2CEVT_L2CAP_DATA:                         /* Peer data packet rcvd    */
-        (*p_ccb->p_rcb->api.pL2CA_DataInd_Cb)(p_ccb->local_cid, (BT_HDR *)p_data);
+        if((p_ccb->p_rcb) && (p_ccb->p_rcb->api.pL2CA_DataInd_Cb))
+            (*p_ccb->p_rcb->api.pL2CA_DataInd_Cb)(p_ccb->local_cid, (BT_HDR *)p_data);
         break;
 
     case L2CEVT_L2CA_DISCONNECT_REQ:                 /* Upper wants to disconnect */