"Flags" is an optional property. Default value is allow read and write procedures. If it is not informed the upper-layer should manage security requirements returning errors using "-errno" format in the operation result callback.
9215893 gatt: Make Characteristic Flags optional
src/gatt-dbus.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
Upstream: git.kernel.org