From: Martin Harvey <Martin.Harvey@citrix.com>
Date: Wed, 28 Jul 2021 14:02:46 +0000 (+0100)
Subject: Assert that transmitter not being sent NULL MDL's
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=3a64b577c663f441831c8fb043accde10c2622cc;p=pvdrivers%2Fwin%2Fxenvif.git

Assert that transmitter not being sent NULL MDL's

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>
---

diff --git a/src/xenvif/transmitter.c b/src/xenvif/transmitter.c
index fddeb0c..de9b476 100644
--- a/src/xenvif/transmitter.c
+++ b/src/xenvif/transmitter.c
@@ -5137,6 +5137,8 @@ TransmitterQueuePacket(
     PXENVIF_TRANSMITTER_RING        Ring;
     NTSTATUS                        status;
 
+    ASSERT(Mdl != NULL);
+
     Frontend = Transmitter->Frontend;
 
     Packet = __TransmitterGetPacket(Transmitter);