char_mutex         59 drivers/platform/x86/wmi.c 	struct mutex char_mutex;
char_mutex        856 drivers/platform/x86/wmi.c 	mutex_lock(&wblock->char_mutex);
char_mutex        905 drivers/platform/x86/wmi.c 	mutex_unlock(&wblock->char_mutex);
char_mutex       1050 drivers/platform/x86/wmi.c 		mutex_init(&wblock->char_mutex);