diff mbox series

mfd: mt6397: Do not call irq_domain_remove if PMIC unsupported

Message ID 20181022025505.27919-1-drinkcat@chromium.org (mailing list archive)
State New, archived
Headers show
Series mfd: mt6397: Do not call irq_domain_remove if PMIC unsupported | expand

Commit Message

Nicolas Boichat Oct. 22, 2018, 2:55 a.m. UTC
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>
---
 drivers/mfd/mt6397-core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Lee Jones Oct. 25, 2018, 9:10 a.m. UTC | #1
On Mon, 22 Oct 2018, Nicolas Boichat wrote:

> 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>
> ---
>  drivers/mfd/mt6397-core.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Applied for v4.21, thanks.
diff mbox series

Patch

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 77b64bd64df36a..ab24e176ef4487 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) {