arm64: efi: deal with NULL return value of early_memremap()
Add NULL return value checks to two invocations of early_memremap() in the UEFI init code. For the UEFI configuration tables, we just warn since we have a better chance of being able to report the issue in a way that can actually be noticed by a human operator if we don't abort right away. For the UEFI memory map, however, all we can do is panic() since we cannot proceed without a description of memory. Signed-off-by: NArd Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: NMatt Fleming <matt@codeblueprint.co.uk> Acked-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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