mfd: mt6397: Do not call irq_domain_remove if PMIC unsupported

If the PMIC ID is unknown, the current code would call
irq_domain_remove and panic, as pmic->irq_domain is only
initialized by mt6397_irq_init.

Return immediately with an error, if the chip ID is unsupported.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 77b64bd64df3..ab24e176ef44 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -329,8 +329,7 @@ static int mt6397_probe(struct platform_device *pdev)
 
         default:
                 dev_err(&pdev->dev, "unsupported chip: %d\n", id);
-                ret = -ENODEV;
-                break;
+                return -ENODEV;
         }
 
         if (ret) {