superio/nuvoton: Avoid NULL pointer dereference

Coverity detects dereferencing a pointer that might be "NULL" when
calling acpigen_write_scope. Add sanity check for scope to prevent
NULL pointer dereference.

Found-by: Coverity CID 1420207

Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: Icc253c63aadef1c0ecb116a38b608f64f80abc79
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42839
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

0 files changed, 0 insertions, 0 deletions