Re: [PATCH 4/5] x86: efi: add basic error handling

From: Matt Fleming
Date: Thu Jan 05 2012 - 06:22:07 EST


On Tue, 2012-01-03 at 09:11 -0800, Olof Johansson wrote:
> It's not perfect, but way better than before. Mark efi_enabled as false in
> case of error and at least stop dereferencing pointers that are known to
> be invalid.
>
> The only significant missing piece is the lack of undoing the
> memblock_reserve of the memory that efi marks as in use. On the other
> hand, it's not a large amount of memory, and leaving it unavailable for
> system use should be the safer choice anyway.
>
> Signed-off-by: Olof Johansson <olof@xxxxxxxxx>
> ---
> arch/x86/platform/efi/efi.c | 89 ++++++++++++++++++++++++++++--------------
> 1 files changed, 59 insertions(+), 30 deletions(-)

Seems straight forward and better than what was there previously. Have
you tested this error handling?

Acked-by: Matt Fleming <matt.fleming@xxxxxxxxx>

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