You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.4 KiB
37 lines
1.4 KiB
From 63ff907f6e6ab3b93535dc2b5251b7b41eaf7ec2 Mon Sep 17 00:00:00 2001
|
|
From: popcornmix <popcornmix@gmail.com>
|
|
Date: Fri, 12 Feb 2016 14:50:25 +0000
|
|
Subject: [PATCH 146/232] dcw_otg: trim xfer length when buffer larger than
|
|
allocated size is received
|
|
|
|
---
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c | 11 +++++++++++
|
|
1 file changed, 11 insertions(+)
|
|
|
|
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
|
|
@@ -737,6 +737,11 @@ static int update_urb_state_xfer_comp(dw
|
|
DWC_OTG_HC_XFER_COMPLETE,
|
|
&short_read);
|
|
|
|
+ if (urb->actual_length + xfer_length > urb->length) {
|
|
+ DWC_WARN("%s(): trimming xfer length\n", __func__);
|
|
+ xfer_length = urb->length - urb->actual_length;
|
|
+ }
|
|
+
|
|
/* non DWORD-aligned buffer case handling. */
|
|
if (hc->align_buff && xfer_length && hc->ep_is_in) {
|
|
dwc_memcpy(urb->buf + urb->actual_length, hc->qh->dw_align_buf,
|
|
@@ -1423,6 +1428,12 @@ static void update_urb_state_xfer_intr(d
|
|
{
|
|
uint32_t bytes_transferred = get_actual_xfer_length(hc, hc_regs, qtd,
|
|
halt_status, NULL);
|
|
+
|
|
+ if (urb->actual_length + bytes_transferred > urb->length) {
|
|
+ DWC_WARN("%s(): trimming xfer length\n", __func__);
|
|
+ bytes_transferred = urb->length - urb->actual_length;
|
|
+ }
|
|
+
|
|
/* non DWORD-aligned buffer case handling. */
|
|
if (hc->align_buff && bytes_transferred && hc->ep_is_in) {
|
|
dwc_memcpy(urb->buf + urb->actual_length, hc->qh->dw_align_buf,
|
|
|