Subject: Re: [BUG]: problem when shutting down ppp connection since 2.5.70

From: "Paul Rolland" <[email-masked]>
Date: Mon, 14 Jul 2003 13:43:51 +0200

Hello,

I'm sorry, the patch was not complete, it should have considered the
BUG_ON too...

Here is one that is fine on my system :
--- dev.c.orig  2003-07-14 13:41:33.000000000 +0200
+++ dev.c       2003-07-14 13:34:27.000000000 +0200
@@ -2742,7 +2742,7 @@
        unsigned long rebroadcast_time, warning_time;
 
        rebroadcast_time = warning_time = jiffies;
-       while (atomic_read(&dev->refcnt) != 0) {
+       while (atomic_read(&dev->refcnt) > 0) {
                if (time_after(jiffies, rebroadcast_time + 1 * HZ)) {
                        rtnl_shlock();
                        rtnl_exlock();
@@ -2836,7 +2836,7 @@
                        dev->reg_state = NETREG_UNREGISTERED;
 
                        netdev_wait_allrefs(dev);
-                       BUG_ON(atomic_read(&dev->refcnt));
+                       BUG_ON(atomic_read(&dev->refcnt) > 0);
 
                        netdev_finish_unregister(dev);
                        break;

Still don't understand why refcnt is really bad (negative value),
but at least the machine is working...

Paul

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I have a vitally important role serving as a bad example.
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