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authorJohn W. Linville <linville@tuxdriver.com>2011-11-09 20:49:23 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-11-09 20:49:23 +0100
commit5e819059a20b0fc5a71875f28b4cae359e38d85a (patch)
treeb94a18142abc5e60c84f90ee2490e8a6af01c2a9 /drivers/tty/tty_mutex.c
parentmac80211: allow frame aggregation for mesh (diff)
parentwl12xx: fix wl12xx_scan_sched_scan_ssid_list() check that all given ssids are... (diff)
downloadlinux-5e819059a20b0fc5a71875f28b4cae359e38d85a.tar.xz
linux-5e819059a20b0fc5a71875f28b4cae359e38d85a.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'drivers/tty/tty_mutex.c')
-rw-r--r--drivers/tty/tty_mutex.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c
index 3b2bb7719442..9ff986c32a21 100644
--- a/drivers/tty/tty_mutex.c
+++ b/drivers/tty/tty_mutex.c
@@ -15,30 +15,18 @@
* Don't use in new code.
*/
static DEFINE_MUTEX(big_tty_mutex);
-struct task_struct *__big_tty_mutex_owner;
-EXPORT_SYMBOL_GPL(__big_tty_mutex_owner);
/*
* Getting the big tty mutex.
*/
void __lockfunc tty_lock(void)
{
- struct task_struct *task = current;
-
- WARN_ON(__big_tty_mutex_owner == task);
-
mutex_lock(&big_tty_mutex);
- __big_tty_mutex_owner = task;
}
EXPORT_SYMBOL(tty_lock);
void __lockfunc tty_unlock(void)
{
- struct task_struct *task = current;
-
- WARN_ON(__big_tty_mutex_owner != task);
- __big_tty_mutex_owner = NULL;
-
mutex_unlock(&big_tty_mutex);
}
EXPORT_SYMBOL(tty_unlock);