qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH 1/2] balloon: Disassociate handlers from balloon dev


From: Amit Shah
Subject: [Qemu-devel] [PATCH 1/2] balloon: Disassociate handlers from balloon device on unplug
Date: Fri, 9 Sep 2011 14:30:39 +0530

When a balloon device gets unplugged, allow the balloon handlers to be
freed.

Signed-off-by: Amit Shah <address@hidden>
---
 balloon.c |   10 ++++++++++
 balloon.h |    1 +
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/balloon.c b/balloon.c
index f56fdc1..a2133db 100644
--- a/balloon.c
+++ b/balloon.c
@@ -52,6 +52,16 @@ int qemu_add_balloon_handler(QEMUBalloonEvent *event_func,
     return 0;
 }
 
+void qemu_remove_balloon_handler(void *opaque)
+{
+    if (balloon_opaque != opaque) {
+        return;
+    }
+    balloon_event_fn = NULL;
+    balloon_stat_fn = NULL;
+    balloon_opaque = NULL;
+}
+
 static int qemu_balloon(ram_addr_t target)
 {
     if (!balloon_event_fn) {
diff --git a/balloon.h b/balloon.h
index 3df14e6..f59e288 100644
--- a/balloon.h
+++ b/balloon.h
@@ -22,6 +22,7 @@ typedef void (QEMUBalloonStatus)(void *opaque, 
MonitorCompletion cb,
 
 int qemu_add_balloon_handler(QEMUBalloonEvent *event_func,
                             QEMUBalloonStatus *stat_func, void *opaque);
+void qemu_remove_balloon_handler(void *opaque);
 
 void monitor_print_balloon(Monitor *mon, const QObject *data);
 int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque);
-- 
1.7.6




reply via email to

[Prev in Thread] Current Thread [Next in Thread]