Allow access to sysfs usb nodes.
Some legitimate functionality currently requires direct sysfs access that is not otherwise possible via the android APIs. Specifically, isochronous USB transfers require this direct access, without which USB audio applications would noticibly suffer. Grant read access to the usb files under /sys/devices to prevent this regression. Bug: 28417852 Change-Id: I3424bf3498ffa0eb647a54cc962ab8c54f291728
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@ -110,6 +110,8 @@ r_dir_file(domain, zoneinfo_data_file)
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# Lots of processes access current CPU information
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r_dir_file(domain, sysfs_devices_system_cpu)
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r_dir_file(domain, sysfs_usb);
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# files under /data.
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allow domain system_data_file:dir { search getattr };
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allow domain system_data_file:lnk_file read;
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@ -30,6 +30,7 @@ type sysfs_hwrandom, fs_type, sysfs_type;
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type sysfs_nfc_power_writable, fs_type, sysfs_type, mlstrustedobject;
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type sysfs_wake_lock, fs_type, sysfs_type;
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type sysfs_mac_address, fs_type, sysfs_type;
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type sysfs_usb, sysfs_type, file_type, mlstrustedobject;
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type configfs, fs_type;
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# /sys/devices/system/cpu
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type sysfs_devices_system_cpu, fs_type, sysfs_type;
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