[PATCH] sem2mutex: kernel/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/kthread.c b/kernel/kthread.c
index e75950a..6a53738 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -12,6 +12,7 @@
#include <linux/unistd.h>
#include <linux/file.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <asm/semaphore.h>
/*
@@ -41,7 +42,7 @@
/* Thread stopping is done by setthing this var: lock serializes
* multiple kthread_stop calls. */
-static DECLARE_MUTEX(kthread_stop_lock);
+static DEFINE_MUTEX(kthread_stop_lock);
static struct kthread_stop_info kthread_stop_info;
int kthread_should_stop(void)
@@ -173,7 +174,7 @@
{
int ret;
- down(&kthread_stop_lock);
+ mutex_lock(&kthread_stop_lock);
/* It could exit after stop_info.k set, but before wake_up_process. */
get_task_struct(k);
@@ -194,7 +195,7 @@
wait_for_completion(&kthread_stop_info.done);
kthread_stop_info.k = NULL;
ret = kthread_stop_info.err;
- up(&kthread_stop_lock);
+ mutex_unlock(&kthread_stop_lock);
return ret;
}