This is a note to let you know that I've just added the patch titled Input: ep93xx_keypad - fix handling of platform_get_irq() error to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: input-ep93xx_keypad-fix-handling-of-platform_get_irq.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4b24f7640005313adedf8dbb539f28491a59628f Author: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Date: Tue Sep 15 17:51:05 2020 -0700 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@xxxxxxxxxx> Link: https://lore.kernel.org/r/20200828145744.3636-1-krzk@xxxxxxxxxx Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c index f77b295e0123e..01788a78041b3 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; }