[Linaro-uefi] [PATCH v4 2/4] 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 --- 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 b2cf401..92c31a3 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)) {