linux-kernel - [patch] joystick: off by one error

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Message-ID: <20100306110944.GG4958@bicker>
Date:	Sat, 6 Mar 2010 14:09:44 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Scott Moreau <oreaus@...il.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] joystick: off by one error

This fixes a smatch warning:
drivers/input/joystick/gamecon.c +838 gc_setup_pad(23) error: buffer overflow 'gc_names' 10 <= 10

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index ae998d9..7a55714 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -819,7 +819,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
 	int i;
 	int err;
 
-	if (pad_type < 1 || pad_type > GC_MAX) {
+	if (pad_type < 1 || pad_type >= GC_MAX) {
 		pr_err("Pad type %d unknown\n", pad_type);
 		return -EINVAL;
 	}
--
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