linux-kernel - [PATCH 3.12 044/206] Input: serio - avoid negative serio device numbers

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Date:	Tue, 18 Nov 2014 15:06:39 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Richard Leitner <richard.leitner@...data.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 044/206] Input: serio - avoid negative serio device numbers

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

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 0224ec9e9f111b1c39ec00a10de4858061b4afea upstream.

Fix the format string for serio 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>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/input/serio/serio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 2b56855c2c77..de019ebb7e29 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -506,8 +506,8 @@ static void serio_init_port(struct serio *serio)
 	spin_lock_init(&serio->lock);
 	mutex_init(&serio->drv_mutex);
 	device_initialize(&serio->dev);
-	dev_set_name(&serio->dev, "serio%ld",
-			(long)atomic_inc_return(&serio_no) - 1);
+	dev_set_name(&serio->dev, "serio%lu",
+		     (unsigned long)atomic_inc_return(&serio_no) - 1);
 	serio->dev.bus = &serio_bus;
 	serio->dev.release = serio_release_port;
 	serio->dev.groups = serio_device_attr_groups;
-- 
2.1.3

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