[libvirt] [PATCH] qemu: Don't overwrite errors by closefd in error paths

[Jiri Denemark]

On Wed, Jul 13, 2011 at 10:09:21 -0600, Eric Blake wrote:
> On 07/13/2011 03:25 AM, Jiri Denemark wrote:
> > When qemuMonitorCloseFileHandle is called in error path, we need to
> > preserve the original error since a possible further error when running
> > closefd monitor command is not very useful to users.
> > ---
> >  src/qemu/qemu_monitor.c |   34 +++++++++++++++++++++++++---------
> >  src/qemu/qemu_monitor.h |    3 ++-
> >  2 files changed, 27 insertions(+), 10 deletions(-)
> > 
> 
> >  
> > @@ -1962,22 +1962,34 @@ int qemuMonitorSendFileHandle(qemuMonitorPtr mon,
> >  
> >  
> >  int qemuMonitorCloseFileHandle(qemuMonitorPtr mon,
> > -                               const char *fdname)
> > +                               const char *fdname,
> > +                               bool preserveError)
> 
> Why the bool argument?  Every one of the callers was adjusted to set it
> to true, so if no one sets it to false, it seems like it makes more
> sense to blindly preserveError instead of make it parameterizable,
> without having to tweak any callers.

I guess I just wanted to stress that qemuMonitorCloseFileHandle preserves the
error :-) The simpler v2 follows...

Jirka