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Re: [Qemu-devel] [PATCH] usb: fix unbounded stack warning for xhci_dma_w
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH] usb: fix unbounded stack warning for xhci_dma_write_u32s |
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Date: |
Thu, 10 Mar 2016 08:34:13 +0100 |
On Do, 2016-03-10 at 10:11 +0800, Peter Xu wrote:
> Signed-off-by: Peter Xu <address@hidden>
> ---
> hw/usb/hcd-xhci.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
> index 44b6f8c..d15918f 100644
> --- a/hw/usb/hcd-xhci.c
> +++ b/hw/usb/hcd-xhci.c
> @@ -698,11 +698,13 @@ static inline void xhci_dma_write_u32s(XHCIState *xhci,
> dma_addr_t addr,
> uint32_t *buf, size_t len)
> {
> int i;
> - uint32_t tmp[len / sizeof(uint32_t)];
> + uint32_t tmp[12];
Where does the 12 come from?
cheers,
Gerd