Procedures acpi_device_scope() and acpi_device_name() can under certain
conditions return NULL. Check the return before using them.
This fixes CID 1385944
BUG=b:73331544
TEST=Build kahlee.
Change-Id: Ifcdf905100d22a1d828394f8685641eb432bb836
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/23760
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
e0d306447a