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Message-Id: <20180917211651.365017066@linuxfoundation.org>
Date:   Tue, 18 Sep 2018 00:42:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Anton Vasilyev <vasilyev@...ras.ru>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 27/70] misc: ti-st: Fix memory leak in the error path of probe()

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

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

From: Anton Vasilyev <vasilyev@...ras.ru>

[ Upstream commit 81ae962d7f180c0092859440c82996cccb254976 ]

Free resources instead of direct return of the error code if kim_probe
fails.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Anton Vasilyev <vasilyev@...ras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/misc/ti-st/st_kim.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -756,14 +756,14 @@ static int kim_probe(struct platform_dev
 	err = gpio_request(kim_gdata->nshutdown, "kim");
 	if (unlikely(err)) {
 		pr_err(" gpio %d request failed ", kim_gdata->nshutdown);
-		return err;
+		goto err_sysfs_group;
 	}
 
 	/* Configure nShutdown GPIO as output=0 */
 	err = gpio_direction_output(kim_gdata->nshutdown, 0);
 	if (unlikely(err)) {
 		pr_err(" unable to configure gpio %d", kim_gdata->nshutdown);
-		return err;
+		goto err_sysfs_group;
 	}
 	/* get reference of pdev for request_firmware
 	 */


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