linux-kernel - [PATCH] input: psmouse: fix input

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Message-ID: <20080112151252.193d6b52@ephemeral>
Date:	Sat, 12 Jan 2008 15:12:52 -0500
From:	Andres Salomon <dilinger@...ued.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	dtor@...l.ru, linux-input@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] input: psmouse: fix input_dev leak in lifebook driver


The lifebook driver may register a second input device, but it never
unregisters it.  This fixes that.

Signed-off-by: Andres Salomon <dilinger@...ian.org>
---
 drivers/input/mouse/lifebook.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 9ec57d8..df81b0a 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -225,8 +225,13 @@ static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolu
 
 static void lifebook_disconnect(struct psmouse *psmouse)
 {
+	struct lifebook_data *priv = psmouse->private;
+
 	psmouse_reset(psmouse);
-	kfree(psmouse->private);
+	if (priv) {
+		input_unregister_device(priv->dev2);
+		kfree(priv);
+	}
 	psmouse->private = NULL;
 }
 
-- 
1.5.3.5

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