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Diffstat (limited to 'drivers/isdn/hardware/mISDN/w6692.c')
-rw-r--r--drivers/isdn/hardware/mISDN/w6692.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c
index 7f1e7ba..2183357 100644
--- a/drivers/isdn/hardware/mISDN/w6692.c
+++ b/drivers/isdn/hardware/mISDN/w6692.c
@@ -1015,7 +1015,7 @@ open_bchannel(struct w6692_hw *card, struct channel_req *rq)
{
struct bchannel *bch;
- if (rq->adr.channel > 2)
+ if (rq->adr.channel == 0 || rq->adr.channel > 2)
return -EINVAL;
if (rq->protocol == ISDN_P_NONE)
return -EINVAL;
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