mISDN: Return error on E-channel access
Return error on D-channel access with E-channel data requested
Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 37c2e19..ea69d58 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -1894,6 +1894,10 @@
hc->dch.dev.id, __builtin_return_address(0));
if (rq->protocol == ISDN_P_NONE)
return -EINVAL;
+ if (rq->adr.channel == 1) {
+ /* TODO: E-Channel */
+ return -EINVAL;
+ }
if (!hc->initdone) {
if (rq->protocol == ISDN_P_TE_S0) {
err = create_l1(&hc->dch, hfc_l1callback);