[PATCH] USB: implement error event in usbmon
Implement the "error" event in usbmon.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 86db92b..275a66f 100644
--- a/drivers/usb/mon/mon_main.c
+++ b/drivers/usb/mon/mon_main.c
@@ -114,20 +114,32 @@
/*
*/
-static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int err)
+static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int error)
{
struct mon_bus *mbus;
+ unsigned long flags;
+ struct list_head *pos;
+ struct mon_reader *r;
mbus = ubus->mon_bus;
if (mbus == NULL)
goto out_unlocked;
- /*
- * XXX Capture the error code and the 'E' event.
- */
+ spin_lock_irqsave(&mbus->lock, flags);
+ if (mbus->nreaders == 0)
+ goto out_locked;
+ mbus->cnt_events++;
+ list_for_each (pos, &mbus->r_list) {
+ r = list_entry(pos, struct mon_reader, r_link);
+ r->rnf_error(r->r_data, urb, error);
+ }
+
+ spin_unlock_irqrestore(&mbus->lock, flags);
return;
+out_locked:
+ spin_unlock_irqrestore(&mbus->lock, flags);
out_unlocked:
return;
}