linux-kernel - [PATCH 03/22 v4] Input: atmel_mxt_ts - detect OOM when creating mt slots

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Message-Id: <1339992522-22073-4-git-send-email-djkurtz@chromium.org>
Date:	Mon, 18 Jun 2012 12:08:23 +0800
From:	Daniel Kurtz <djkurtz@...omium.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Nick Dyer <nick.dyer@...ev.co.uk>, linux-input@...r.kernel.org
Cc:	Iiro Valkonen <iiro.valkonen@...el.com>,
	Benson Leung <bleung@...omium.org>,
	Yufeng Shen <miletus@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	linux-kernel@...r.kernel.org, Daniel Kurtz <djkurtz@...omium.org>
Subject: [PATCH 03/22 v4] Input: atmel_mxt_ts - detect OOM when creating mt slots

Hopefully this new code path will never be used, but better safe than
sorry...

Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
---
 drivers/input/touchscreen/atmel_mxt_ts.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index cb191fe..00b37b1 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1132,7 +1132,9 @@ static int __devinit mxt_probe(struct i2c_client *client,
 			     0, 255, 0, 0);
 
 	/* For multi touch */
-	input_mt_init_slots(input_dev, MXT_MAX_FINGER);
+	error = input_mt_init_slots(input_dev, MXT_MAX_FINGER);
+	if (error)
+		goto err_free_mem;
 	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
 			     0, MXT_MAX_AREA, 0, 0);
 	input_set_abs_params(input_dev, ABS_MT_POSITION_X,
-- 
1.7.7.3

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