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3fc661a98c
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From f61457732dafaccb0804b0d45a4ae751e60e1db4 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Fri, 12 Feb 2016 14:50:25 +0000
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Subject: [PATCH 145/381] dcw_otg: trim xfer length when buffer larger than
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allocated size is received
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
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@@ -737,6 +737,11 @@ static int update_urb_state_xfer_comp(dw
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DWC_OTG_HC_XFER_COMPLETE,
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&short_read);
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+ if (urb->actual_length + xfer_length > urb->length) {
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+ DWC_WARN("%s(): trimming xfer length\n", __func__);
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+ xfer_length = urb->length - urb->actual_length;
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+ }
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+
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/* non DWORD-aligned buffer case handling. */
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if (hc->align_buff && xfer_length && hc->ep_is_in) {
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dwc_memcpy(urb->buf + urb->actual_length, hc->qh->dw_align_buf,
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@@ -1423,6 +1428,12 @@ static void update_urb_state_xfer_intr(d
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{
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uint32_t bytes_transferred = get_actual_xfer_length(hc, hc_regs, qtd,
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halt_status, NULL);
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+
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+ if (urb->actual_length + bytes_transferred > urb->length) {
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+ DWC_WARN("%s(): trimming xfer length\n", __func__);
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+ bytes_transferred = urb->length - urb->actual_length;
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+ }
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+
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/* non DWORD-aligned buffer case handling. */
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if (hc->align_buff && bytes_transferred && hc->ep_is_in) {
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dwc_memcpy(urb->buf + urb->actual_length, hc->qh->dw_align_buf,
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