Reviewed-by: Ray Ni <ray...@intel.com>
> -----Original Message-----
> From: Gerd Hoffmann <kra...@redhat.com>
> Sent: Friday, March 10, 2023 8:49 PM
> To: devel@edk2.groups.io
> Cc: Ni, Ray <ray...@intel.com>; Oliver Steffen <ostef...@redhat.com>; Gerd
> Hoffmann <kra...@redhat.com>; Kumar, Rahul R
> <rahul.r.ku...@intel.com>; Pawel Polawski <ppola...@redhat.com>;
> Dong, Eric <eric.d...@intel.com>
> Subject: [PATCH 2/2] UefiCpuPkg/PiSmmCpuDxeSmm: fix error handling
>
> ASSERT() is not proper handling of allocation failures, it gets compiled
> out on RELEASE builds. Print a message and enter dead loop instead.
>
> Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
> ---
> UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> index 55a9f79da8eb..2e41df1f1074 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> @@ -879,6 +879,12 @@ PiCpuSmmEntry (
> //
> BufferPages = EFI_SIZE_TO_PAGES (SIZE_32KB + TileSize *
> (mMaxNumberOfCpus - 1));
> Buffer = AllocateAlignedCodePages (BufferPages, SIZE_4KB);
> + if (!Buffer) {
> + DEBUG ((DEBUG_ERROR, "Failed to allocate %d pages.\n", BufferPages));
> + CpuDeadLoop ();
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> ASSERT (Buffer != NULL);
> DEBUG ((DEBUG_INFO, "New Allcoated SMRAM SaveState Buffer (0x%08x,
> 0x%08x)\n", Buffer, EFI_PAGES_TO_SIZE (BufferPages)));
> }
> --
> 2.39.2
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#101427): https://edk2.groups.io/g/devel/message/101427
Mute This Topic: https://groups.io/mt/97518449/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe:
https://edk2.groups.io/g/devel/leave/9847357/21656/1706620634/xyzzy
[arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
