diff options
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/if_usb.c | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/if_usb.h | 3 |
2 files changed, 20 insertions, 10 deletions
diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c index 05fcf9cc28fa..71fa38ef2c96 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -114,8 +114,8 @@ static void if_usb_write_bulk_callback(struct urb *urb) static void if_usb_free(struct if_usb_card *cardp) { /* Unlink tx & rx urb */ - usb_kill_urb(cardp->tx_urb); - usb_kill_urb(cardp->rx_urb); + usb_kill_anchored_urbs(&cardp->tx_submitted); + usb_kill_anchored_urbs(&cardp->rx_submitted); usb_free_urb(cardp->tx_urb); cardp->tx_urb = NULL; @@ -221,6 +221,9 @@ static int if_usb_probe(struct usb_interface *intf, udev->descriptor.bDeviceSubClass, udev->descriptor.bDeviceProtocol); + init_usb_anchor(&cardp->rx_submitted); + init_usb_anchor(&cardp->tx_submitted); + for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; if (usb_endpoint_is_bulk_in(endpoint)) { @@ -423,7 +426,7 @@ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb goto tx_ret; } - usb_kill_urb(cardp->tx_urb); + usb_kill_anchored_urbs(&cardp->tx_submitted); usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, usb_sndbulkpipe(cardp->udev, @@ -432,8 +435,10 @@ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; + usb_anchor_urb(cardp->tx_urb, &cardp->tx_submitted); if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); + usb_unanchor_urb(cardp->tx_urb); } else { lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); ret = 0; @@ -464,8 +469,10 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, cardp); lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); + usb_anchor_urb(cardp->rx_urb, &cardp->rx_submitted); if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); + usb_unanchor_urb(cardp->rx_urb); kfree_skb(skb); cardp->rx_skb = NULL; ret = -1; @@ -835,8 +842,8 @@ static void if_usb_prog_firmware(struct lbs_private *priv, int ret, } /* Cancel any pending usb business */ - usb_kill_urb(cardp->rx_urb); - usb_kill_urb(cardp->tx_urb); + usb_kill_anchored_urbs(&cardp->rx_submitted); + usb_kill_anchored_urbs(&cardp->tx_submitted); cardp->fwlastblksent = 0; cardp->fwdnldover = 0; @@ -866,8 +873,8 @@ restart: if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { /* Return to normal operation */ ret = -EOPNOTSUPP; - usb_kill_urb(cardp->rx_urb); - usb_kill_urb(cardp->tx_urb); + usb_kill_anchored_urbs(&cardp->rx_submitted); + usb_kill_anchored_urbs(&cardp->tx_submitted); if (if_usb_submit_rx_urb(cardp) < 0) ret = -EIO; goto done; @@ -897,7 +904,7 @@ restart: wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); timer_delete_sync(&cardp->fw_timeout); - usb_kill_urb(cardp->rx_urb); + usb_kill_anchored_urbs(&cardp->rx_submitted); if (!cardp->fwdnldover) { pr_info("failed to load fw, resetting device!\n"); @@ -957,8 +964,8 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) goto out; /* Unlink tx & rx urb */ - usb_kill_urb(cardp->tx_urb); - usb_kill_urb(cardp->rx_urb); + usb_kill_anchored_urbs(&cardp->tx_submitted); + usb_kill_anchored_urbs(&cardp->rx_submitted); out: return ret; diff --git a/drivers/net/wireless/marvell/libertas/if_usb.h b/drivers/net/wireless/marvell/libertas/if_usb.h index 7d0daeb33c3f..a0cd36197c2b 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.h +++ b/drivers/net/wireless/marvell/libertas/if_usb.h @@ -48,6 +48,9 @@ struct if_usb_card { struct urb *rx_urb, *tx_urb; struct lbs_private *priv; + struct usb_anchor rx_submitted; + struct usb_anchor tx_submitted; + struct sk_buff *rx_skb; uint8_t ep_in; |