diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/mon/mon_main.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c index 6ecc27302211..275a66f83058 100644 --- a/drivers/usb/mon/mon_main.c +++ b/drivers/usb/mon/mon_main.c @@ -97,6 +97,7 @@ static void mon_submit(struct usb_bus *ubus, struct urb *urb) 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_submit(r->r_data, urb); @@ -113,20 +114,32 @@ out_unlocked: /* */ -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; } @@ -152,6 +165,7 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) } spin_lock_irqsave(&mbus->lock, flags); + mbus->cnt_events++; list_for_each (pos, &mbus->r_list) { r = list_entry(pos, struct mon_reader, r_link); r->rnf_complete(r->r_data, urb); @@ -163,7 +177,6 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) /* * Stop monitoring. - * Obviously this must be well locked, so no need to play with mb's. */ static void mon_stop(struct mon_bus *mbus) { |