From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 28 Mar 2019 14:18:41 +0000 (+0300)
Subject: soc/fsl/qe: Fix an error code in qe_pin_request()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=703778173393600ff9c879211e1998f6c1aa2ecf;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

soc/fsl/qe: Fix an error code in qe_pin_request()

[ 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>
---

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__);