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From:   Ben Hutchings <ben@decadent.org.uk>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
CC:     akpm@linux-foundation.org, Denis Kirjanov <kda@linux-powerpc.org>,
        "Dan Carpenter" <dan.carpenter@oracle.com>,
        "Dmitry Torokhov" <dmitry.torokhov@gmail.com>
Date:   Tue, 02 Apr 2019 14:38:28 +0100
Message-ID: <lsq.1554212308.713198748@decadent.org.uk>
Subject: [PATCH 3.16 74/99] Input: nomadik-ske-keypad - fix a loop timeout
 test
In-Reply-To: <lsq.1554212307.17110877@decadent.org.uk>
Sender: linux-kernel-owner@vger.kernel.org
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3.16.65-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Dan Carpenter <dan.carpenter@oracle.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@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.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;
 
 	/*