From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Wed, 6 Feb 2013 23:59:18 +0000 (-0800)
Subject: TTY: mark tty_get_device call with the proper const values
X-Git-Tag: firefly_0821_release~3680^2~1081^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6e9430ac57e8c1f41ab24ef7fbb3d452c7eb7246;p=firefly-linux-kernel-4.4.55.git

TTY: mark tty_get_device call with the proper const values

Michał's previous patch missed this tty check to fix up the
class_find_device() arguments.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index da9fde850754..6b20fd66d4ad 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2906,9 +2906,9 @@ void do_SAK(struct tty_struct *tty)
 
 EXPORT_SYMBOL(do_SAK);
 
-static int dev_match_devt(struct device *dev, void *data)
+static int dev_match_devt(struct device *dev, const void *data)
 {
-	dev_t *devt = data;
+	const dev_t *devt = data;
 	return dev->devt == *devt;
 }