mmc: pxamci: Fix error return code in pxamci_probe

[ Upstream commit d7b819b5d33869d41bdaa427aeb98ae24c57a38b ]

Fix to return the error code from devm_gpiod_get_optional() instaed
of 0 in pxamci_probe().

Fixes: f54005b508b9a9d9c ("mmc: pxa: Use GPIO descriptor for power")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Link: https://lore.kernel.org/r/20201121021431.3168506-1-chengzhihao1@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 29f6180..316393c 100644 (file)
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -731,6 +731,7 @@ static int pxamci_probe(struct platform_device *pdev)
 
                host->power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
                if (IS_ERR(host->power)) {
+                       ret = PTR_ERR(host->power);
                        dev_err(dev, "Failed requesting gpio_power\n");
                        goto out;
                }