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Commit a2de7fc9 authored by Zoltan Szatmary-Ban's avatar Zoltan Szatmary-Ban Committed by Android (Google) Code Review
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Merge "Prevent accidental unlocking of USB data transfer." into mnc-dev

parents 89592760 b2eb6b90

services/usb/java/com/android/server/usb/UsbService.java

+7 −0
Original line number Diff line number Diff line
@@ -273,6 +273,13 @@ public class UsbService extends IUsbManager.Stub { 
    @Override

    public void setUsbDataUnlocked(boolean unlocked) {

        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);

        // If attempt to change USB function while file transfer is restricted, ensure that

        // usb data is always locked, and return.

        UserManager userManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);

        if (userManager.hasUserRestriction(UserManager.DISALLOW_USB_FILE_TRANSFER)) {

            if (mDeviceManager != null) mDeviceManager.setUsbDataUnlocked(false);

            return;

        }

        mDeviceManager.setUsbDataUnlocked(unlocked);

    }