[libvirt] [PATCH] virpci:fix Secondary Bus Reset bug

From: hexin <hexin15(a)baidu.com&gt; The parent bridge configuration of the current device should be read and reset, instead of reading the current device configuration. Signed-off-by: He Xin <hexin15(a)baidu.com&gt; Signed-off-by: Liu Qi <liuqi16(a)baidu.com&gt; Signed-off-by: Zhang Yu <zhangyu31(a)baidu.com&gt; --- src/util/virpci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/util/virpci.c b/src/util/virpci.c index 61a6b359e5..483de2cb16 100644 --- a/src/util/virpci.c +++ b/src/util/virpci.c @@ -821,7 +821,7 @@ virPCIDeviceTrySecondaryBusReset(virPCIDevicePtr dev, /* Read the control register, set the reset flag, wait 200ms, * unset the reset flag and wait 200ms. */ - ctl = virPCIDeviceRead16(dev, cfgfd, PCI_BRIDGE_CONTROL); + ctl = virPCIDeviceRead16(dev, parentfd, PCI_BRIDGE_CONTROL); virPCIDeviceWrite16(parent, parentfd, PCI_BRIDGE_CONTROL, ctl | PCI_BRIDGE_CTL_RESET); -- 2.22.0