When checking for undefined symbols, some nodes aren't easy
or don't make sense to be checked right now. Prevent allocating
memory for those, as they'll be ignored anyway.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5228789cbef8241d44504ad29fca5cab356cdc53.1632411447.git.mchehab+huawei@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>