locking: fix mutex @key parameter kernel-doc notation

Fix @key parameter to mutex_init() and one of its callers.

Warning(linux-2.6.26-git11//drivers/base/class.c:210): No description found for parameter 'key'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/mutex.c b/kernel/mutex.c
index bcdc9ac8ef60..12c779dc65d4 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -34,6 +34,7 @@
 /***
  * mutex_init - initialize the mutex
  * @lock: the mutex to be initialized
+ * @key: the lock_class_key for the class; used by mutex lock debugging
  *
  * Initialize the mutex to unlocked state.
  *