On 09/22/16 03:21, Dandan Bi wrote:
> V2: add the assert codes.
> 
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Laszlo Ersek <ler...@redhat.com>
> Cc: Liming Gao <liming....@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Dandan Bi <dandan...@intel.com>
> ---
>  OvmfPkg/VirtioGpuDxe/Commands.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/OvmfPkg/VirtioGpuDxe/Commands.c b/OvmfPkg/VirtioGpuDxe/Commands.c
> index b369dc3..962087c 100644
> --- a/OvmfPkg/VirtioGpuDxe/Commands.c
> +++ b/OvmfPkg/VirtioGpuDxe/Commands.c
> @@ -282,16 +282,17 @@ VirtioGpuSendCommand (
>    }
>    Header->CtxId     = 0;
>    Header->Padding   = 0;
>  
>    ASSERT (RequestSize >= sizeof *Header);
> +  ASSERT (RequestSize <= MAX_UINT32);
>  
>    //
>    // Compose the descriptor chain.
>    //
>    VirtioPrepare (&VgpuDev->Ring, &Indices);
> -  VirtioAppendDesc (&VgpuDev->Ring, (UINTN)Header, RequestSize,
> +  VirtioAppendDesc (&VgpuDev->Ring, (UINTN)Header, (UINT32)RequestSize,
>      VRING_DESC_F_NEXT, &Indices);
>    VirtioAppendDesc (&VgpuDev->Ring, (UINTN)&Response, sizeof Response,
>      VRING_DESC_F_WRITE, &Indices);
>  
>    //
> 

Reviewed-by: Laszlo Ersek <ler...@redhat.com>
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel

Reply via email to