usb, kcov: annotate hub_event

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
google · May 27, 2019 · 47bbc98 · 47bbc98
1 parent 905708a
commit 47bbc98
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
@@ -5365,6 +5365,8 @@ static void hub_event(struct work_struct *work)
 	hub_dev = hub->intfdev;
 	intf = to_usb_interface(hub_dev);
 
+	kcov_remote_start(kcov_remote_handle_usb(hdev->bus->busnum));
+
 	dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n",
 			hdev->state, hdev->maxchild,
 			/* NOTE: expects max 15 ports... */
@@ -5471,6 +5473,8 @@ static void hub_event(struct work_struct *work)
 	/* Balance the stuff in kick_hub_wq() and allow autosuspend */
 	usb_autopm_put_interface(intf);
 	kref_put(&hub->kref, hub_release);
+
+	kcov_remote_stop();
 }
 
 static const struct usb_device_id hub_id_table[] = {