[PATCH] PM: AVS: rockchip-io: Fix error return code in rockchip_iodomain_probe()

[Zhang Changzhong]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: e943c43b32ce ("PM: AVS: rockchip-io: Move the driver to the rockchip specific drivers")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
---
 drivers/soc/rockchip/io-domain.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c
index eece97f..b29e829 100644
--- a/drivers/soc/rockchip/io-domain.c
+++ b/drivers/soc/rockchip/io-domain.c
@@ -547,6 +547,7 @@ static int rockchip_iodomain_probe(struct platform_device *pdev)
 		if (uV < 0) {
 			dev_err(iod->dev, "Can't determine voltage: %s\n",
 				supply_name);
+			ret = uV;
 			goto unreg_notify;
 		}
 
-- 
2.9.5