linux-kernel - [PATCH] staging: mrst-touchscreen: fix leaks

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Message-Id: <1278946084-30228-1-git-send-email-segooon@gmail.com>
Date:	Mon, 12 Jul 2010 18:48:04 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Cox <alan@...ux.intel.com>,
	Dan Carpenter <error27@...il.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] staging: mrst-touchscreen: fix leaks

mrstouch_probe() must unregister input device, free requested IRQ and
input device in error path.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 drivers/staging/mrst-touchscreen/intel-mid-touch.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/mrst-touchscreen/intel-mid-touch.c b/drivers/staging/mrst-touchscreen/intel-mid-touch.c
index abba22f..8a72bbf 100644
--- a/drivers/staging/mrst-touchscreen/intel-mid-touch.c
+++ b/drivers/staging/mrst-touchscreen/intel-mid-touch.c
@@ -779,7 +779,7 @@ static int __devinit mrstouch_probe(struct spi_device *mrstouch_spi)
 				0, "mrstouch", tsdev);
 	if (err) {
 		dev_err(&tsdev->spi->dev, "unable to allocate irq\n");
-		goto mrstouch_err_free_mem;
+		goto mrstouch_err_unreg_input;
 	}
 
 	tsdev->pendet_thrd = kthread_run(mrstouch_pendet,
@@ -787,11 +787,16 @@ static int __devinit mrstouch_probe(struct spi_device *mrstouch_spi)
 	if (IS_ERR(tsdev->pendet_thrd)) {
 		dev_err(&tsdev->spi->dev, "kthread_run failed\n");
 		err = PTR_ERR(tsdev->pendet_thrd);
-		goto mrstouch_err_free_mem;
+		goto mrstouch_err_free_irq;
 	}
 	mrstouch_debug("%s", "Driver initialized");
 	return 0;
 
+mrstouch_err_free_irq:
+	free_irq(myirq, tsdev);
+mrstouch_err_unreg_input:
+	input_unregister_device(mrstouchdevp->input);
+	input_free_device(mrstouchdevp->input);
 mrstouch_err_free_mem:
 	kfree(tsdev);
 	return err;
-- 
1.7.0.4

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