File 0150-watchdog-6300esb-add-exit-function.patch of Package qemu.10254

From eafd546714cc10ebeecb31ed67b6c96a387a17a6 Mon Sep 17 00:00:00 2001
From: Li Qiang <liqiang6-s@360.cn>
Date: Mon, 28 Nov 2016 17:49:04 -0800
Subject: [PATCH] watchdog: 6300esb: add exit function

When the Intel 6300ESB watchdog is hot unplug. The timer allocated
in realize isn't freed thus leaking memory leak. This patch avoid
this through adding the exit function.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-Id: <583cde9c.3223ed0a.7f0c2.886e@mx.google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit eb7a20a3616085d46aa6b4b4224e15587ec67e6e)
[BR: CVE-2016-10155 BSC#1021129]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 hw/watchdog/wdt_i6300esb.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/watchdog/wdt_i6300esb.c b/hw/watchdog/wdt_i6300esb.c
index cfa2b1be13..80a33c8a27 100644
--- a/hw/watchdog/wdt_i6300esb.c
+++ b/hw/watchdog/wdt_i6300esb.c
@@ -433,6 +433,14 @@ static void i6300esb_realize(PCIDevice *dev, Error **errp)
     /* qemu_register_coalesced_mmio (addr, 0x10); ? */
 }
 
+static void i6300esb_exit(PCIDevice *dev)
+{
+    I6300State *d = WATCHDOG_I6300ESB_DEVICE(dev);
+
+    timer_del(d->timer);
+    timer_free(d->timer);
+}
+
 static WatchdogTimerModel model = {
     .wdt_name = "i6300esb",
     .wdt_description = "Intel 6300ESB",
@@ -446,6 +454,7 @@ static void i6300esb_class_init(ObjectClass *klass, void *data)
     k->config_read = i6300esb_config_read;
     k->config_write = i6300esb_config_write;
     k->realize = i6300esb_realize;
+    k->exit = i6300esb_exit;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_ESB_9;
     k->class_id = PCI_CLASS_SYSTEM_OTHER;