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 <k...@kernel.org>
---
 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;
 
        keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL);
        if (!keypad_data) {
-- 
2.17.1

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