summaryrefslogtreecommitdiff
path: root/drivers/usb/usbip/vhci_rx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/usbip/vhci_rx.c')
-rw-r--r--drivers/usb/usbip/vhci_rx.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
index 44cd64518925..a75f4a898a41 100644
--- a/drivers/usb/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
@@ -27,7 +27,7 @@ struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum)
switch (status) {
case -ENOENT:
- /* fall through */
+ fallthrough;
case -ECONNRESET:
dev_dbg(&urb->dev->dev,
"urb seq# %u was unlinked %ssynchronously\n",
@@ -66,7 +66,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
spin_unlock_irqrestore(&vdev->priv_lock, flags);
if (!urb) {
- pr_err("cannot find a urb of seqnum %u max seqnum %d\n",
+ pr_err("cannot find a urb of seqnum %u max seqnum %u\n",
pdu->base.seqnum,
atomic_read(&vhci_hcd->seqnum));
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
@@ -77,19 +77,27 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0);
/* recv transfer buffer */
- if (usbip_recv_xbuff(ud, urb) < 0)
- return;
+ if (usbip_recv_xbuff(ud, urb) < 0) {
+ urb->status = -EPROTO;
+ goto error;
+ }
/* recv iso_packet_descriptor */
- if (usbip_recv_iso(ud, urb) < 0)
- return;
+ if (usbip_recv_iso(ud, urb) < 0) {
+ urb->status = -EPROTO;
+ goto error;
+ }
/* restore the padding in iso packets */
usbip_pad_iso(ud, urb);
+error:
if (usbip_dbg_flag_vhci_rx)
usbip_dump_urb(urb);
+ if (urb->num_sgs)
+ urb->transfer_flags &= ~URB_DMA_MAP_SG;
+
usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
spin_lock_irqsave(&vhci->lock, flags);
@@ -154,10 +162,10 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
* already received the result of its submit result and gave
* back the URB.
*/
- pr_info("the urb (seqnum %d) was already given back\n",
+ pr_info("the urb (seqnum %u) was already given back\n",
pdu->base.seqnum);
} else {
- usbip_dbg_vhci_rx("now giveback urb %d\n", pdu->base.seqnum);
+ usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
/* If unlink is successful, status is -ECONNRESET */
urb->status = pdu->u.ret_unlink.status;
@@ -253,7 +261,9 @@ int vhci_rx_loop(void *data)
if (usbip_event_happened(ud))
break;
+ usbip_kcov_remote_start(ud);
vhci_rx_pdu(ud);
+ usbip_kcov_remote_stop();
}
return 0;