Re: [PATCH] OvmfPkg/AcpiPlatformDxe: fix spurious uninitialized var warning

[Laszlo Ersek <lersek@redhat.com>]

On 06/08/17 21:05, Ard Biesheuvel wrote:
> Commit 4275f38507a4 ("OvmfPkg/AcpiPlatformDxe: alloc blobs from 64-bit
> space unless restricted") introduced a variable which is [incorrectly]
> identified by GCC as being potentially uninitialized. So let's just set
> it to NULL before use.
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
>  OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c b/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c
> index 98be36c64b43..a0b1cfd2be05 100644
> --- a/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c
> +++ b/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c
> @@ -1001,6 +1001,7 @@ InstallQemuFwCfgTables (
>    RestorePciDecoding (OriginalPciAttributes, OriginalPciAttributesCount);
>    LoaderEnd = LoaderStart + FwCfgSize / sizeof *LoaderEntry;
>  
> +  AllocationsRestrictedTo32Bit = NULL;
>    Status = CollectAllocationsRestrictedTo32Bit (
>               &AllocationsRestrictedTo32Bit,
>               LoaderStart,
> 

Reviewed-by: Laszlo Ersek <lersek@redhat.com>

Thanks, Ard!
Laszlo