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SubjectRe: PROBLEM: Kernel 2.4.20 crashes when a second isdn channel is opened by ibod
This bug is known and fixed by Patrick McHardy <kaber@trash.net>.
Please use patch attached and confirm it works. Thank you.


See Changelog

On Wed, 16 Apr 2003 10:54:05 +0200
Arno Wilhelm <a.wilhelm@phion.com> wrote:

> Hello,
>
> I guess we have detected a kernel bug in the isdn subsystem ( isdn_ppp.c ).
> I have enclosed the bug report in this mail in the format that is asked by
> the file "REPORTING-BUGS" in the kernel source directory.
> If you need further assistance please mail to: a.wilhelm@phion.com
>
>
>
> Regards,
>
> Arno Wilhelm

--
Regards,
Stephan

diff -Nru a/drivers/isdn/isdn_net.c b/drivers/isdn/isdn_net.c
--- a/drivers/isdn/isdn_net.c Thu Mar 27 02:00:21 2003
+++ b/drivers/isdn/isdn_net.c Thu Mar 27 02:00:21 2003
@@ -2831,6 +2831,7 @@

/* If binding is exclusive, try to grab the channel */
save_flags(flags);
+ cli();
if ((i = isdn_get_free_channel(ISDN_USAGE_NET,
lp->l2_proto, lp->l3_proto, drvidx,
chidx, lp->msn)) < 0) {
diff -Nru a/drivers/isdn/isdn_ppp.c b/drivers/isdn/isdn_ppp.c
--- a/drivers/isdn/isdn_ppp.c Thu Mar 27 02:00:21 2003
+++ b/drivers/isdn/isdn_ppp.c Thu Mar 27 02:00:21 2003
@@ -1176,7 +1176,7 @@
if (!lp) {
printk(KERN_WARNING "%s: all channels busy - requeuing!\n", netdev->name);
retval = 1;
- goto unlock;
+ goto out;
}
/* we have our lp locked from now on */


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