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List:       win-pv-devel
Subject:    Re: [PATCH 4/5] Assert that transmitter not being sent NULL MDL's
From:       Paul Durrant <xadimgnik () gmail ! com>
Date:       2021-08-05 18:21:42
Message-ID: f086fb5c-49ef-915a-82a0-478019f657bf () xen ! org
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On 28/07/2021 15:02, Martin Harvey wrote:
> An assertion to check that a corresponding fix in XenNet is preventing
> NULL MDL's from being queued for transmission.
> 
> Signed-off-by: Martin Harvey <martin.harvey@citrix.com>

Acked-by: Paul Durrant <paul@xen.org>

> ---
>   src/xenvif/transmitter.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/src/xenvif/transmitter.c b/src/xenvif/transmitter.c
> index 47f2fc2..b5fb9a8 100644
> --- a/src/xenvif/transmitter.c
> +++ b/src/xenvif/transmitter.c
> @@ -5143,6 +5143,8 @@ TransmitterQueuePacket(
>       PXENVIF_TRANSMITTER_RING        Ring;
>       NTSTATUS                        status;
>   
> +    ASSERT(Mdl != NULL);
> +
>       Frontend = Transmitter->Frontend;
>   
>       Packet = __TransmitterGetPacket(Transmitter);
> 


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