linux-kernel - [PATCH] input: avoid negative input device numbers

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Message-ID: <20141008224245.601a1339@frodo>
Date:	Wed, 8 Oct 2014 22:42:45 +0200
From:	Richard Leitner <me@...l1n.net>
To:	dmitry.torokhov@...il.com
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	richard.leitner@...data.com
Subject: [PATCH] input: avoid negative input device numbers

From: Richard Leitner <richard.leitner@...data.com>

Fix the format string for input device name generation to avoid negative
device numbers when the id exceeds the maximum signed integer value.

Signed-off-by: Richard Leitner <richard.leitner@...data.com>
---
 drivers/input/input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 236bc56..6be6982 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1791,7 +1791,7 @@ struct input_dev *input_allocate_device(void)
 		INIT_LIST_HEAD(&dev->h_list);
 		INIT_LIST_HEAD(&dev->node);
 
-		dev_set_name(&dev->dev, "input%ld",
+		dev_set_name(&dev->dev, "input%lu",
 			     (unsigned long) atomic_inc_return(&input_no) - 1);
 
 		__module_get(THIS_MODULE);
-- 
2.1.1

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