From 9dd38130f1647deb6f2fc01508b4e0b0f8ecfc4c Mon Sep 17 00:00:00 2001
From: Jeff Buchbinder <freemed@gmail.com>
Date: Mon, 11 Jul 2011 12:34:04 -0400
Subject: [PATCH] Fix for modern semaphore functions.

---
 module/tty0tty.c | 4 ++++
 1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/module/tty0tty.c b/module/tty0tty.c
index 1628621..a280991 100644
--- a/module/tty0tty.c
+++ b/module/tty0tty.c
@@ -103,7 +103,11 @@ static int tty0tty_open(struct tty_struct *tty, struct file *file)
 		if (!tty0tty)
 			return -ENOMEM;
 
+#ifdef __LINUX_SEMAPHORE_H
+		sema_init(&tty0tty->sem, 1);
+#else
 		init_MUTEX(&tty0tty->sem);
+#endif
 		tty0tty->open_count = 0;
 
 		tty0tty_table[index] = tty0tty;
--
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