linux-kernel - [PATCH 3.16 74/99] Input: nomadik-ske-keypad

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Message-ID: <lsq.1554212308.713198748@decadent.org.uk>
Date:   Tue, 02 Apr 2019 14:38:28 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Dan Carpenter" <dan.carpenter@...cle.com>,
        "Dmitry Torokhov" <dmitry.torokhov@...il.com>
Subject: [PATCH 3.16 74/99] Input: nomadik-ske-keypad - fix a loop timeout
 test

3.16.65-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 4d8f727b83bcd6702c2d210330872c9122d2d360 upstream.

The loop exits with "timeout" set to -1 not to 0.

Fixes: 1158f0f16224 ("Input: add support for Nomadik SKE keypad controller")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/input/keyboard/nomadik-ske-keypad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -100,7 +100,7 @@ static int __init ske_keypad_chip_init(s
 	while ((readl(keypad->reg_base + SKE_RIS) != 0x00000000) && timeout--)
 		cpu_relax();
 
-	if (!timeout)
+	if (timeout == -1)
 		return -EINVAL;
 
 	/*