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From: nick.dyer@itdev.co.uk
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Yufeng Shen <miletus@google.com>,
	Daniel Kurtz <djkurtz@chromium.org>,
	Henrik Rydberg <rydberg@euromail.se>,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	Alan Bowens <Alan.Bowens@atmel.com>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	Peter Meerwald <pmeerw@pmeerw.net>,
	Benson Leung <bleung@chromium.org>,
	Olof Johansson <olofj@chromium.org>, Sekhar Nori <nsekhar@ti.com>,
	Stephen Warren <swarren@wwwdotorg.org>,
	Nick Dyer <nick.dyer@itdev.co.uk>
Subject: [PATCH 1/2] Input: atmel_mxt_ts - Fix double free of input device
Date: Thu,  7 Aug 2014 15:07:17 +0100	[thread overview]
Message-ID: <1407420438-6289-2-git-send-email-nick.dyer@itdev.co.uk> (raw)
In-Reply-To: <1407420438-6289-1-git-send-email-nick.dyer@itdev.co.uk>

From: Stephen Warren <swarren@wwwdotorg.org>

Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
---
 drivers/input/touchscreen/atmel_mxt_ts.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 03b8571..da497db 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1353,8 +1353,10 @@ static int mxt_get_info(struct mxt_data *data)
 
 static void mxt_free_object_table(struct mxt_data *data)
 {
-	input_unregister_device(data->input_dev);
-	data->input_dev = NULL;
+	if (data->input_dev) {
+		input_unregister_device(data->input_dev);
+		data->input_dev = NULL;
+	}
 
 	kfree(data->object_table);
 	data->object_table = NULL;
@@ -2194,7 +2196,6 @@ static int mxt_remove(struct i2c_client *client)
 
 	sysfs_remove_group(&client->dev.kobj, &mxt_attr_group);
 	free_irq(data->irq, data);
-	input_unregister_device(data->input_dev);
 	mxt_free_object_table(data);
 	kfree(data);
 
-- 
1.9.1


  reply	other threads:[~2014-08-07 14:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-07 14:07 Minor fixes for atmel_mxt_ts nick.dyer
2014-08-07 14:07 ` nick.dyer [this message]
2014-08-07 16:55   ` [PATCH 1/2] Input: atmel_mxt_ts - Fix double free of input device Dmitry Torokhov
2014-08-07 14:07 ` [PATCH 2/2] Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA nick.dyer
2014-08-26 20:10   ` Benson Leung
2014-08-07 16:59 ` Minor fixes for atmel_mxt_ts Dmitry Torokhov
2014-08-08 15:58   ` nick.dyer
2014-08-08 15:58     ` [PATCH 1/2] Input: atmel_mxt_ts - simplify mxt_initialize a bit nick.dyer
2014-08-08 16:19       ` Dmitry Torokhov
2014-08-08 16:19         ` Dmitry Torokhov
2014-08-08 15:58     ` [PATCH 2/2] Input: atmel_mxt_ts - split config update " nick.dyer

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