change acquire/release_console_sem() to console_lock/unlock()

Commit Message

Andrew Morton Jan. 21, 2011, 8:23 a.m. UTC

None

Patch

--- a/kernel/printk.c~change-acquire-release_console_sem-to-console_lock-unlock-fix-2
+++ a/kernel/printk.c
@@ -1058,7 +1058,7 @@  EXPORT_SYMBOL(console_lock);
  * Tried to acquire a lock which guarantees that the caller has
  * exclusive access to the console system and the console_drivers list.
  *
- * returns -1 on success, and 0 on failure to acquire the lock.
+ * returns 1 on success, and 0 on failure to acquire the lock.
  */
 int console_trylock(void)
 {
@@ -1070,7 +1070,7 @@  int console_trylock(void)
 	}
 	console_locked = 1;
 	console_may_schedule = 0;
-	return -1;
+	return 1;
 }
 EXPORT_SYMBOL(console_trylock);