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Re: [PATCH 1/2] EFI/Arm64: don't clobber DTB pointer

To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Wed, 14 Oct 2020 11:57:44 +0100
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Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Trammell Hudson <hudson@xxxxxxxx>
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List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 14/10/2020 11:42, Jan Beulich wrote:
> read_section() needs to be more careful: efi_arch_use_config_file()
> may have found a DTB file (but without modules), and there may be no DTB
> specified in the EFI config file. In this case the pointer to the blob
> must not be overwritten with NULL when no ".dtb" section is present
> either.
>
> Fixes: 8a71d50ed40b ("efi: Enable booting unified hypervisor/kernel/initrd 
> images")
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

References:
- [PATCH 0/2] EFI: adjustments after "Unified Xen hypervisor/kernel/initrd images"
  - From: Jan Beulich
- [PATCH 1/2] EFI/Arm64: don't clobber DTB pointer
  - From: Jan Beulich

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