Reviewed-by: Hao A Wu <hao.a...@intel.com>
Best Regards,
Hao Wu
> -----Original Message-----
> From: Jeff Brasen <jbra...@nvidia.com>
> Sent: Saturday, September 12, 2020 1:17 AM
> To: devel@edk2.groups.io
> Cc: Wu, Hao A <hao.a...@intel.com>; Ni, Ray <ray...@intel.com>; Jeff
> Brasen <jbra...@nvidia.com>
> Subject: [PATCH] MdeModulePkg/NonDiscoverablePciDeviceDxe: Add NULL
> pointer check
>
> Add check for NULL HostAddress in AllocateBuffer as required by UEFI
> specification.
>
> Signed-off-by: Jeff Brasen <jbra...@nvidia.com>
> ---
> .../NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git
> a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> PciDeviceIo.c
> b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> PciDeviceIo.c
> index a40c1a9593..363c4a765b 100644
> ---
> a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> PciDeviceIo.c
> +++
> b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> Pc
> +++ iDeviceIo.c
> @@ -856,6 +856,10 @@ CoherentPciIoAllocateBuffer (
> return EFI_UNSUPPORTED; } + if (HostAddress == NULL) {+ return
> EFI_INVALID_PARAMETER;+ }+ if ((MemoryType != EfiBootServicesData)
> && (MemoryType != EfiRuntimeServicesData)) { return
> EFI_INVALID_PARAMETER;--
> 2.25.1
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