X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fmac_hid.c;h=cc9f27514aefe99a2e45da629e76050dab48a247;hb=7cdc2b98cec4c9b5bd563adf9eec90e7a7e12234;hp=89302309da92d56f397096ad8412a4e7fa2ef1d4;hpb=9abbf7d028b1598b40ebdc81c48f30da7f3d5bf5;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 89302309da92..cc9f27514aef 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -103,6 +103,9 @@ int mac_hid_mouse_emulate_buttons(int caller, unsigned int keycode, int down)
 	return 0;
 }
 
+static struct lock_class_key emumousebtn_event_class;
+static struct lock_class_key emumousebtn_mutex_class;
+
 static int emumousebtn_input_register(void)
 {
 	int ret;
@@ -111,6 +114,9 @@ static int emumousebtn_input_register(void)
 	if (!emumousebtn)
 		return -ENOMEM;
 
+	lockdep_set_class(&emumousebtn->event_lock, &emumousebtn_event_class);
+	lockdep_set_class(&emumousebtn->mutex, &emumousebtn_mutex_class);
+
 	emumousebtn->name = "Macintosh mouse button emulation";
 	emumousebtn->id.bustype = BUS_ADB;
 	emumousebtn->id.vendor = 0x0001;