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path: root/drivers/isdn/hardware/mISDN/mISDNipac.c
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Diffstat (limited to 'drivers/isdn/hardware/mISDN/mISDNipac.c')
-rw-r--r--drivers/isdn/hardware/mISDN/mISDNipac.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c
index ccd7d851be26..a77eea594b69 100644
--- a/drivers/isdn/hardware/mISDN/mISDNipac.c
+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c
@@ -754,10 +754,10 @@ dbusy_timer_handler(struct isac_hw *isac)
}
static int
-open_dchannel(struct isac_hw *isac, struct channel_req *rq)
+open_dchannel_caller(struct isac_hw *isac, struct channel_req *rq, void *caller)
{
pr_debug("%s: %s dev(%d) open from %p\n", isac->name, __func__,
- isac->dch.dev.id, __builtin_return_address(1));
+ isac->dch.dev.id, caller);
if (rq->protocol != ISDN_P_TE_S0)
return -EINVAL;
if (rq->adr.channel == 1)
@@ -771,6 +771,12 @@ open_dchannel(struct isac_hw *isac, struct channel_req *rq)
return 0;
}
+static int
+open_dchannel(struct isac_hw *isac, struct channel_req *rq)
+{
+ return open_dchannel_caller(isac, rq, __builtin_return_address(0));
+}
+
static const char *ISACVer[] =
{"2086/2186 V1.1", "2085 B1", "2085 B2",
"2085 V2.3"};
@@ -1548,7 +1554,7 @@ ipac_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
case OPEN_CHANNEL:
rq = arg;
if (rq->protocol == ISDN_P_TE_S0)
- err = open_dchannel(isac, rq);
+ err = open_dchannel_caller(isac, rq, __builtin_return_address(0));
else
err = open_bchannel(ipac, rq);
if (err)