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Date: Mon, 18 Dec 2017 16:49:30 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Alexey Khoroshilov <khoroshilov@...ras.ru>,
Lee Jones <lee.jones@...aro.org>,
Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.14 134/178] mfd: mxs-lradc: Fix error handling in mxs_lradc_probe()
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexey Khoroshilov <khoroshilov@...ras.ru>
[ Upstream commit 362741a21a5c4b9ee31e75ce28d63c6d238a745c ]
There is the only path, where mxs_lradc_probe() leaves clk undisabled,
since it does return instead of goto err_clk.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/mfd/mxs-lradc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/mfd/mxs-lradc.c
+++ b/drivers/mfd/mxs-lradc.c
@@ -196,8 +196,10 @@ static int mxs_lradc_probe(struct platfo
platform_set_drvdata(pdev, lradc);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENOMEM;
+ if (!res) {
+ ret = -ENOMEM;
+ goto err_clk;
+ }
switch (lradc->soc) {
case IMX23_LRADC:
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