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f52b30e73d
Older GCC (<= 4.9) fail to infer that Parent is never used unless it
has been assigned before, and may throw an error like
/work/git/edk2/ArmVirtPkg/Library/PlatformPeiLib/PlatformPeiLib.c:
In function ‘PlatformPeim’:
/work/git/edk2/ArmVirtPkg/Library/PlatformPeiLib/PlatformPeiLib.c:132:24:
error: ‘Parent’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
RangesProp = fdt_getprop (Base, Parent, "ranges", &RangesLen);
Set Parent to 0 at the start of the sequence to work around this.
Link: https://bugzilla.tianocore.org/show_bug.cgi?id=2601
Fixes: 82662a3b5f56e974 ("ArmVirtPkg/PlatformPeiLib: discover the TPM base ...")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>