linux-kernel - [PATCH 232/270] USB: serial: Fix memory leak in sierra

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Date:	Mon, 26 Nov 2012 14:58:42 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Len Sorensen <lsorense@...lub.uwaterloo.ca>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: [PATCH 232/270] USB: serial: Fix memory leak in sierra_release()

3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

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

From: Lennart Sorensen <lsorense@...lub.uwaterloo.ca>

commit f7bc5051667b74c3861f79eed98c60d5c3b883f7 upstream.

I found a memory leak in sierra_release() (well sierra_probe() I guess)
that looses 8 bytes each time the driver releases a device.

Signed-off-by: Len Sorensen <lsorense@...lub.uwaterloo.ca>
Acked-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 drivers/usb/serial/sierra.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d423d36..7d7ab91 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -964,6 +964,7 @@ static void sierra_release(struct usb_serial *serial)
 			continue;
 		kfree(portdata);
 	}
+	kfree(serial->private);
 }
 
 #ifdef CONFIG_PM
-- 
1.7.9.5

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