On Wed, 16 Sep 2020 at 02:54, Dmitry Torokhov [off-list ref] wrote:

On Fri, Aug 28, 2020 at 04:57:42PM +0200, Krzysztof Kozlowski wrote:

quoted

platform_get_irq() returns -ERRNO on error.  In such case comparison
to 0 would pass the check.

Fixes: f3a1ba60dbdb ("Input: omap4-keypad - use platform device helpers")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

---

Changes since v1:
1. None
---
 drivers/input/keyboard/omap4-keypad.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 94c94d7f5155..b075f1af0305 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c

@@ -240,10 +240,8 @@ static int omap4_keypad_probe(struct platform_device *pdev)
      }

      irq = platform_get_irq(pdev, 0);
-     if (!irq) {
-             dev_err(&pdev->dev, "no keyboard irq assigned\n");
-             return -EINVAL;
-     }
+     if (irq < 0)
+             return -irq;

You must have meant just "irq", right?

Damn it, of course. I'll send a v2 for this.

Best regards,
Krzysztof

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel