From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Wed, 16 Sep 2020 00:51:05 +0000 (-0700)
Subject: Input: ep93xx_keypad - fix handling of platform_get_irq() error
X-Git-Tag: v4.9.241~58
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=98ecef773c5dbefadcddd9ff71607e85d56cecec;p=platform%2Fkernel%2Flinux-amlogic.git

Input: ep93xx_keypad - fix handling of platform_get_irq() error

[ Upstream commit 7d50f6656dacf085a00beeedbc48b19a37d17881 ]

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

Fixes: 60214f058f44 ("Input: ep93xx_keypad - update driver to new core support")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200828145744.3636-1-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index f77b295e0123..01788a78041b 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -257,8 +257,8 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
 	}
 
 	keypad->irq = platform_get_irq(pdev, 0);
-	if (!keypad->irq) {
-		err = -ENXIO;
+	if (keypad->irq < 0) {
+		err = keypad->irq;
 		goto failed_free;
 	}