tree fd506aa24e1fd8a2df362c42e5c72de11562623e
parent 4973a0d36747a147c0884a48386d4af4fc857f92
author Luke Huang <huangluke@google.com> 1543822648 +0800
committer Luke Huang <huangluke@google.com> 1544181282 +0800

Let res_nsend return -errno directly

res_nsend returns -1 and saves error code in errno previosly.
Let it return -errno directly.

Test: built, flashed, booted
Change-Id: Ie4565f233142a3ed3c7929111844ace380227321