From: Algapally Santosh Sagar <santoshsagar.algapally@amd.com>
Date: Fri, 20 Jan 2023 05:36:15 +0000 (-0700)
Subject: gpio: zynqmp: Handle error from get_gpio_modepin
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=508e1aa58c8f02a6b1a1013e3ff79d3e76015104;p=u-boot.git

gpio: zynqmp: Handle error from get_gpio_modepin

There is a unused variable ret, due to which we are getting sparse warning
as below.
warning: variable 'ret' set but not used [-Wunused-but-set-variable].

Return ret incase of error.

Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20230120053617.32463-3-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
---

diff --git a/drivers/gpio/zynqmp_gpio_modepin.c b/drivers/gpio/zynqmp_gpio_modepin.c
index 078fd83395..e9565ff543 100644
--- a/drivers/gpio/zynqmp_gpio_modepin.c
+++ b/drivers/gpio/zynqmp_gpio_modepin.c
@@ -48,6 +48,9 @@ static int modepin_gpio_set_value(struct udevice *dev, unsigned int offset,
 	int ret;
 
 	ret = get_gpio_modepin(ret_payload);
+	if (ret)
+		return ret;
+
 	if (value)
 		out_val = OUTVAL(offset) | ret_payload[1];
 	else