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ArmPlatformPkg/PL111LcdArmVExpressLib: fix incorrect FreePool () call 

When we fail to modify the memory attributes for the VRAM allocation,
the allocation - which was made using AllocatePages() - is freed using
FreePool(). This is incorrect by itself, but it masks a second bug, i.e.,
that the address of the allocation is not in VramBaseAddress but in
*VramBaseAddress. So fix both issues.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Ard Biesheuvel 2017-04-06 13:10:41 +01:00
parent e87dca691e
commit 1fe11382db
1 changed files with 1 additions and 1 deletions
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2
ArmPlatformPkg/ArmVExpressPkg/Library/PL111LcdArmVExpressLib/PL111LcdArmVExpress.c
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@ -195,7 +195,7 @@ LcdPlatformGetVram (
Status = Cpu->SetMemoryAttributes(Cpu, *VramBaseAddress, *VramSize, EFI_MEMORY_UC);
ASSERT_EFI_ERROR(Status);
if (EFI_ERROR(Status)) {
gBS->FreePool(VramBaseAddress);
gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES(*VramSize));
return Status;
}
break;