am 2cbb56f9: Merge "KeyStore: Fix the return value when send() or recv() has an error." into gingerbread

Merge commit '2cbb56f961e4893a3bf7ded560d4bdbf45eabd01' into gingerbread-plus-aosp

* commit '2cbb56f961e4893a3bf7ded560d4bdbf45eabd01':
  KeyStore: Fix the return value when send() or recv() has an error.