Nope that didn't help. I'm using gcc 2.95.2, didn't think of it before
since it has never caused me any problems. I'll get around to trying
2.91.66 at some point.

A quick aside, anyone know of a problem with the list, I seem to be being
cut off at random intervals :)

Mark

On Fri, 24 Nov 2000 12:28:44 Andrew Morton wrote:
> Mark Ellis wrote:
> > 
> > Hi all, consistently getting the following when pppd is terminated.
> 
> When pppd downs the ppp0 device, unregister_netdevice() is
> trying to run /sbin/hotplug in a new kernel thread.  That
> thread's `files' structure is copied from pppd, but it is
> NULL.  Presumably pppd's files pointer was also NULL.
> 
> Try this:
> 
> --- linux-2.4.0-test11-ac2/kernel/kmod.c      Tue Nov 21 20:11:21 2000
> +++ linux-akpm/kernel/kmod.c  Fri Nov 24 23:03:34 2000
> @@ -99,8 +99,10 @@
>       flush_signal_handlers(current);
>       spin_unlock_irq(&current->sigmask_lock);
>  
> -     for (i = 0; i < current->files->max_fds; i++ ) {
> -             if (current->files->fd[i]) close(i);
> +     if (current->files) {
> +             for (i = 0; i < current->files->max_fds; i++ ) {
> +                     if (current->files->fd[i]) close(i);
> +             }
>       }
>  
>       /* Drop the "current user" thing */
> 
> 
> Not my area, but I don't think exec_usermodehelper() should assume
> that current->files is always valid.
> 
> Al, is this correct?  If so, does daemonize() also need this test?
> If not, then how did this thread get (current->files == NULL)?
> 

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