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usb: dwc2: host: Fix dereference issue in DDMA completion flow.
commiteed04fa96c
upstream. Fixed variable dereference issue in DDMA completion flow. Fixes:b258e42688
("usb: dwc2: host: Fix ISOC flow in DDMA mode") CC: stable@vger.kernel.org Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-usb/2024040834-ethically-rumble-701f@gregkh/T/#m4c4b83bef0ebb4b67fe2e0a7d6466cbb6f416e39 Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> Link: https://lore.kernel.org/r/cc826d3ef53c934d8e6d98870f17f3cdc3d2755d.1712665387.git.Minas.Harutyunyan@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 3 additions and 1 deletions
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@ -897,13 +897,15 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
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struct dwc2_dma_desc *dma_desc;
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struct dwc2_hcd_iso_packet_desc *frame_desc;
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u16 frame_desc_idx;
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struct urb *usb_urb = qtd->urb->priv;
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struct urb *usb_urb;
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u16 remain = 0;
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int rc = 0;
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if (!qtd->urb)
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return -EINVAL;
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usb_urb = qtd->urb->priv;
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dma_sync_single_for_cpu(hsotg->dev, qh->desc_list_dma + (idx *
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sizeof(struct dwc2_dma_desc)),
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sizeof(struct dwc2_dma_desc),
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