cvs commit: src/sys/dev/cp if_cp.c

David O'Brien obrien at FreeBSD.org
Thu Oct 27 00:40:54 PDT 2005


On Mon, Oct 24, 2005 at 12:24:23AM -0700, David O'Brien wrote:
> On Tue, Sep 27, 2005 at 04:57:45PM +0000, Roman Kurakin wrote:
> > rik         2005-09-27 16:57:45 UTC
> > 
> >   FreeBSD src repository
> > 
> >   Modified files:
> >     sys/dev/cp           if_cp.c 
> >   Log:
> >   Restore if_cp.c 1.27
> >   ----------------------------
> >           revision 1.27
> >           date: 2005/09/19 03:10:16;  author: imp;  state: Exp;  lines: +3 -2
> >           Make sure that we call if_free(ifp) after bus_teardown_intr.  Since we
> >           could get an interrupt after we free the ifp, and the interrupt
> >           handler depended on the ifp being still alive, this could, in theory,
> >           cause a crash.  Eliminate this possibility by moving the if_free to
> >           after the bus_teardown_intr() call.
> >   
> >   In fact, this change do nothing for this driver. It is protected from
> >   this by cp_destroy variable. This variable also protects driver from
> >   initiation of any activity from network stack with disabled intr
> >   handler with this change applied.
> 
> You should not have backed out my commit without discussing it with me
> and understanding the reason for the change.
> Do it again and I *will* be taking it Core.

rik, I'm sorry this reads as such an aggressive email.  I thought we were in a discussion about the reason of my commit and was surprised to see your commit happened in the middle of what I thought was an on-going thread.


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