From 98af09fcda4a0bffc08237ce5ca9e7e2436878d8 Mon Sep 17 00:00:00 2001
From: Alan Ott <alan@softiron.co.uk>
Date: Tue, 30 Aug 2016 12:04:25 -0400
Subject: Drivers/Net/MarvellYukon: Zero allocated memory for DMA receive
 buffers

Explicitly zero allocated memory for DMA receive buffers to help guard
against security issues.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Alan Ott <alan@softiron.co.uk>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 Drivers/Net/MarvellYukonDxe/if_msk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Drivers/Net/MarvellYukonDxe/if_msk.c b/Drivers/Net/MarvellYukonDxe/if_msk.c
index 292fa23..1082f52 100644
--- a/Drivers/Net/MarvellYukonDxe/if_msk.c
+++ b/Drivers/Net/MarvellYukonDxe/if_msk.c
@@ -585,6 +585,7 @@ msk_newbuf (
   if (EFI_ERROR (Status)) {
     return Status;
   }
+  gBS->SetMem (Buffer, Length, 0);
 
   Status = mPciIo->Map (mPciIo, EfiPciIoOperationBusMasterWrite, Buffer, &Length, &PhysAddr, &Mapping);
   if (EFI_ERROR (Status)) {
-- 
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