idpf: Add null check patches BUG=b/469825621 TEST=presubmit RELEASE_NOTE=None cos-patch: bug Signed-off-by: Kevin Berry <kpberry@google.com> Change-Id: Ic81ff373b5d4ceafded1604f3b0c5538ba6627a4 Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/137221 Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com> Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com> Reviewed-by: Li Li <boolli@google.com> (cherry picked from commit 8ecb3fb8b4bed2db662e41f5991ae84debec7939) Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/139561 Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com> Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/142405