tree b187290f56c0d9fd45cd4df23be3dee73e2cdd20
parent 4d98ab00de90bac916f526c83c68012d7159f712
author Stephen Hemminger <stephen@networkplumber.org> 1387556102 -0800
committer Stephen Hemminger <stephen@networkplumber.org> 1387556684 -0800

check return value of rtnl_send and related functions

Use warn_unused_result to enforce checking return value of rtnl_send,
and fix where the errors are.

Suggested by initial patch from Petr Písař <ppisar@redhat.com>