diff mbox series

[2/2] drm/tve200: Fix handling of platform_get_irq() error

Message ID 20200827071107.27429-2-krzk@kernel.org (mailing list archive)
State New, archived
Headers show
Series [1/2] drm/mcde: Fix handling of platform_get_irq() error | expand

Commit Message

Krzysztof Kozlowski Aug. 27, 2020, 7:11 a.m. UTC
platform_get_irq() returns -ERRNO on error.  In such case comparison
to 0 would pass the check.

Fixes: 179c02fe90a4 ("drm/tve200: Add new driver for TVE200")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/gpu/drm/tve200/tve200_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Linus Walleij Aug. 28, 2020, 2:05 p.m. UTC | #1
On Thu, Aug 27, 2020 at 9:11 AM Krzysztof Kozlowski <krzk@kernel.org> wrote:

> platform_get_irq() returns -ERRNO on error.  In such case comparison
> to 0 would pass the check.
>
> Fixes: 179c02fe90a4 ("drm/tve200: Add new driver for TVE200")
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c
index c3aa39bd38ec..b5259cb1383f 100644
--- a/drivers/gpu/drm/tve200/tve200_drv.c
+++ b/drivers/gpu/drm/tve200/tve200_drv.c
@@ -200,8 +200,8 @@  static int tve200_probe(struct platform_device *pdev)
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (!irq) {
-		ret = -EINVAL;
+	if (irq < 0) {
+		ret = irq;
 		goto clk_disable;
 	}