linux-kernel - [039/117] Staging: hv: Fix up memory leak on HvCleanup

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Message-Id: <20100510223320.717905348@kvm.kroah.org>
Date:	Mon, 10 May 2010 15:32:10 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Hank Janssen <hjanssen@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: [039/117] Staging: hv: Fix up memory leak on HvCleanup

2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Cyrill Gorcunov <gorcunov@...nvz.org>

commit fa8ad0257ea256381126ecf447694622216c600f upstream.

Don't assign NULL too early

Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Hank Janssen <hjanssen@...rosoft.com>
Cc: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/staging/hv/Hv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -306,9 +306,9 @@ void HvCleanup(void)
 	DPRINT_ENTER(VMBUS);
 
 	if (gHvContext.SignalEventBuffer) {
+		kfree(gHvContext.SignalEventBuffer);
 		gHvContext.SignalEventBuffer = NULL;
 		gHvContext.SignalEventParam = NULL;
-		kfree(gHvContext.SignalEventBuffer);
 	}
 
 	if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {


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