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path: root/drivers/usb/host/whci/pzl.c
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Diffstat (limited to 'drivers/usb/host/whci/pzl.c')
-rw-r--r--drivers/usb/host/whci/pzl.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
index df8b85f07092..ff4ef9e910d9 100644
--- a/drivers/usb/host/whci/pzl.c
+++ b/drivers/usb/host/whci/pzl.c
@@ -128,7 +128,8 @@ static enum whc_update pzl_process_qset(struct whc *whc, struct whc_qset *qset)
128 process_inactive_qtd(whc, qset, td); 128 process_inactive_qtd(whc, qset, td);
129 } 129 }
130 130
131 update |= qset_add_qtds(whc, qset); 131 if (!qset->remove)
132 update |= qset_add_qtds(whc, qset);
132 133
133done: 134done:
134 /* 135 /*
@@ -282,23 +283,29 @@ int pzl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
282 283
283 spin_lock_irqsave(&whc->lock, flags); 284 spin_lock_irqsave(&whc->lock, flags);
284 285
286 err = usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
287 if (err < 0) {
288 spin_unlock_irqrestore(&whc->lock, flags);
289 return err;
290 }
291
285 qset = get_qset(whc, urb, GFP_ATOMIC); 292 qset = get_qset(whc, urb, GFP_ATOMIC);
286 if (qset == NULL) 293 if (qset == NULL)
287 err = -ENOMEM; 294 err = -ENOMEM;
288 else 295 else
289 err = qset_add_urb(whc, qset, urb, GFP_ATOMIC); 296 err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
290 if (!err) { 297 if (!err) {
291 usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
292 if (!qset->in_sw_list) 298 if (!qset->in_sw_list)
293 qset_insert_in_sw_list(whc, qset); 299 qset_insert_in_sw_list(whc, qset);
294 } 300 } else
301 usb_hcd_unlink_urb_from_ep(&whc->wusbhc.usb_hcd, urb);
295 302
296 spin_unlock_irqrestore(&whc->lock, flags); 303 spin_unlock_irqrestore(&whc->lock, flags);
297 304
298 if (!err) 305 if (!err)
299 queue_work(whc->workqueue, &whc->periodic_work); 306 queue_work(whc->workqueue, &whc->periodic_work);
300 307
301 return 0; 308 return err;
302} 309}
303 310
304/** 311/**
@@ -353,7 +360,6 @@ void pzl_qset_delete(struct whc *whc, struct whc_qset *qset)
353 qset_delete(whc, qset); 360 qset_delete(whc, qset);
354} 361}
355 362
356
357/** 363/**
358 * pzl_init - initialize the periodic zone list 364 * pzl_init - initialize the periodic zone list
359 * @whc: the WHCI host controller 365 * @whc: the WHCI host controller