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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: [PATCH AUTOSEL 4.9 110/251] soc/fsl/qe: Fix an error code in
 qe_pin_request()
Date: Thu, 16 Jan 2020 12:34:19 -0500
Message-Id: <20200116173641.22137-70-sashal@kernel.org>
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Cc: Sasha Levin <sashal@kernel.org>, linuxppc-dev@lists.ozlabs.org,
 linux-arm-kernel@lists.infradead.org, Dan Carpenter <dan.carpenter@oracle.com>,
 Li Yang <leoyang.li@nxp.com>
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From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit 5674a92ca4b7e5a6a19231edd10298d30324cd27 ]

We forgot to set "err" on this error path.

Fixes: 1a2d397a6eb5 ("gpio/powerpc: Eliminate duplication of of_get_named_gpio_flags()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/fsl/qe/gpio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe/gpio.c
index 0aaf429f31d5..b5a7107a9c0a 100644
--- a/drivers/soc/fsl/qe/gpio.c
+++ b/drivers/soc/fsl/qe/gpio.c
@@ -152,8 +152,10 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index)
 	if (err < 0)
 		goto err0;
 	gc = gpio_to_chip(err);
-	if (WARN_ON(!gc))
+	if (WARN_ON(!gc)) {
+		err = -ENODEV;
 		goto err0;
+	}
 
 	if (!of_device_is_compatible(gc->of_node, "fsl,mpc8323-qe-pario-bank")) {
 		pr_debug("%s: tried to get a non-qe pin\n", __func__);
-- 
2.20.1