spapr: Fix failure path for attempting to hot unplug PCI bridges

For various technical reasons we can't currently allow unplug a PCI to PCI
bridge on the pseries machine.  spapr_pci_unplug_request() correctly
generates an error message if that's attempted.

But.. if the given errp is not error_abort or error_fatal, it doesn't
actually stop trying to unplug the bridge anyway.

Fixes: 14e714900f6b "spapr: Allow hot plug/unplug of PCI bridges and devices under PCI bridges"
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
(cherry picked from commit 7aab5899764887f6b0512cb2e5c11bdc2a5d3644)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index f6fbcf99edaaf9844fe6699517168ef52ff42099..5b544adb4a4d7868cf17d6534e19da6aed499365 100644 (file)
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1663,6 +1663,7 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler,
 
         if (pc->is_bridge) {
             error_setg(errp, "PCI: Hot unplug of PCI bridges not supported");
+            return;
         }
 
         /* ensure any other present functions are pending unplug */