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Commit 16c6fd1d authored by David Zeuthen's avatar David Zeuthen
Browse files

fs_mgr: Clear AvbOps struct. 

This ensures that future operations (e.g. function pointers in the
AvbOps struct) added to AvbOps are set to NULL.

Bug: 37709309
Test: Manually tested on UEFI-based bootloader.
Change-Id: If83ea57b7abad94e472768c594efa210e3351a4d
parent ae10af60

fs_mgr/fs_mgr_avb_ops.cpp

+3 −1
Original line number Diff line number Diff line
@@ -96,7 +96,9 @@ FsManagerAvbOps::FsManagerAvbOps(const std::string& device_file_by_name_prefix) 
    // We only need to provide the implementation of read_from_partition()

    // operation since that's all what is being used by the avb_slot_verify().

    // Other I/O operations are only required in bootloader but not in

    // user-space so we set them as dummy operations.

    // user-space so we set them as dummy operations. Also zero the entire

    // struct so operations added in the future will be set to NULL.

    memset(&avb_ops_, 0, sizeof(AvbOps));

    avb_ops_.read_from_partition = read_from_partition;

    avb_ops_.read_rollback_index = dummy_read_rollback_index;

    avb_ops_.validate_vbmeta_public_key = dummy_validate_vbmeta_public_key;