diff options
Diffstat (limited to 'drivers/usb/mon/mon_text.c')
| -rw-r--r-- | drivers/usb/mon/mon_text.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index 9f9236bf62d2..e02c1a30c4cd 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -182,6 +182,32 @@ static void mon_text_complete(void *data, struct urb *urb) mon_text_event(rp, urb, 'C'); } +static void mon_text_error(void *data, struct urb *urb, int error) +{ + struct mon_reader_text *rp = data; + struct mon_event_text *ep; + + if (rp->nevents >= EVENT_MAX || + (ep = kmem_cache_alloc(rp->e_slab, SLAB_ATOMIC)) == NULL) { + rp->r.m_bus->cnt_text_lost++; + return; + } + + ep->type = 'E'; + ep->pipe = urb->pipe; + ep->id = (unsigned long) urb; + ep->tstamp = 0; + ep->length = 0; + ep->status = error; + + ep->setup_flag = '-'; + ep->data_flag = 'E'; + + rp->nevents++; + list_add_tail(&ep->e_link, &rp->e_list); + wake_up(&rp->wait); +} + /* * Fetch next event from the circular buffer. */ @@ -235,6 +261,7 @@ static int mon_text_open(struct inode *inode, struct file *file) rp->r.m_bus = mbus; rp->r.r_data = rp; rp->r.rnf_submit = mon_text_submit; + rp->r.rnf_error = mon_text_error; rp->r.rnf_complete = mon_text_complete; snprintf(rp->slab_name, SLAB_NAME_SZ, "mon%dt_%lx", ubus->busnum, |