linux(4): Merge getxattr for future error recode
Approved by: re (gjb)
Tested by: zirias
MFC after: 1 week
(cherry picked from commit 6b46ec66129d9490c91876f72d98e514121996a6)
(cherry picked from commit 803280ea07e9c07007e0acd3864a18d40b86de2a)