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xpp: fix failed multi-PRI E1<->T1 transition

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In an Astribank with >= 2 PRI ports, switching from E1 to T1 at run-time
may fail at the DAHDI_CHANCONFIG ioctl on the first channel in a span,
That is, on first run of dahdi_cfg, it fails on second span, on second:
it fails on third span, etc.

The code clears the D-channel information on the DAHDI_CHANCONFIG call
for the first channel in the span.

However The code tested for the global "channo" rather than the per-span
"chanpos" to check for the first channel in the span. This the test
failed.

Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
This commit is contained in:
Oron Peled
2014-04-07 07:05:50 -04:00
committed by Tzafrir Cohen
parent adfd0910b7
commit 606dd58a47
1 changed files with 1 additions and 1 deletions
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2
drivers/dahdi/xpp/card_pri.c
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@@ -1231,7 +1231,7 @@ static int pri_chanconfig(struct file *file, struct dahdi_chan *chan,
if (priv->pri_protocol != PRI_PROTO_E1 && priv->is_cas != 0)
set_mode_cas(xpd, 0);
} else {
if (chan->channo == 1) {
if (chan->chanpos == 1) {
XPD_DBG(GENERAL, xpd,
"channel %d (%s) marked a not DChan\n",
chan->channo, chan->name);