coverity#703955 Unchecked return value

Change-Id: If10c9643474620855e21caaa1fdcbbc4b7fd07ac
coverity#703963 Unchecked return value

also avoid pointless double Guard

Change-Id: Ie7707fc3baf46f9363fdef6213df098123183ab9
coverity#703975 Unchecked return value

Change-Id: Icef20c193a64b7de410e21124edaa4d0699d8a66
coverity#704262 coverity#704263 Dead code

Change-Id: I3f015ea89a9a542226d18d0d203eb493f08b46a0
coverity#704299 Dead code

Change-Id: I41d4c99216cc19302f2d65db1471cb49016a784a
coverity#735397 dead code

Change-Id: If8d82a39af7a506f42b6c13d8408ffc479b564e7