[libvirt] [PATCH] pci: Read bridge control register from the bridge

[Osier Yang]

Though I don't quite understand it well enough, but it looks
wrong to read the control register from the device, and then
write to its parent twice, while doing the secondary bus reset.
---
 src/util/pci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/util/pci.c b/src/util/pci.c
index 0742d07..c3f1b2b 100644
--- a/src/util/pci.c
+++ b/src/util/pci.c
@@ -642,7 +642,7 @@ pciTrySecondaryBusReset(pciDevice *dev,
     /* Read the control register, set the reset flag, wait 200ms,
      * unset the reset flag and wait 200ms.
      */
-    ctl = pciRead16(dev, PCI_BRIDGE_CONTROL);
+    ctl = pciRead16(parent, PCI_BRIDGE_CONTROL);
 
     pciWrite16(parent, PCI_BRIDGE_CONTROL, ctl | PCI_BRIDGE_CTL_RESET);
 
-- 
1.7.7.3