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/arch/powerpc/sysdev/qe_lib/gpio.c b/arch/powerpc/sysdev/qe_lib/gpio.c
index 521e67a..4052e3d 100644 (file)
--- a/arch/powerpc/sysdev/qe_lib/gpio.c
+++ b/arch/powerpc/sysdev/qe_lib/gpio.c
@@ -155,8 +155,10 @@ 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__);