From: Laszlo Ersek <lersek@redhat.com>
Date: Mon, 25 Jan 2016 22:17:22 +0000 (+0100)
Subject: OvmfPkg: PciHostBridgeLib: implement PciHostBridgeFreeRootBridges()
X-Git-Tag: edk2-stable201903~7723
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=dc4d64670a19d4f813e8f3dc7231998615404511

OvmfPkg: PciHostBridgeLib: implement PciHostBridgeFreeRootBridges()

This function has no counterpart in OvmfPkg/PciHostBridgeDxe/, but the
PciHostBridgeLib class requires it.

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---

diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
index 2f22d637ae..25746dd1cf 100644
--- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
+++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
@@ -215,7 +215,17 @@ PciHostBridgeFreeRootBridges (
   UINTN           Count
   )
 {
-  return;
+  if (Bridges == NULL && Count == 0) {
+    return;
+  }
+  ASSERT (Bridges != NULL && Count > 0);
+
+  do {
+    --Count;
+    UninitRootBridge (&Bridges[Count]);
+  } while (Count > 0);
+
+  FreePool (Bridges);
 }