coverity#703928 Unchecked return value

Change-Id: I26ba62448796f1d80d2b4bbaf2499d08058c3add
coverity#704002 Unchecked return value

Change-Id: Ibf506a219df7d0ad67959b3d266a037003fceea4
coverity#704031 Unchecked return value

Change-Id: I2db8f517f27ab9c8abe5aa473fad159a1506c06c
coverity#704049 Unchecked return value

Gold? broken since 3edb1dcdc82304c418fc32212bb0bdf2c92e414e
June 26 2002 ?

Change-Id: I7f0bc4899070daff8329d6f66315956a7ed6084c