git: select(2)/kevent: Bail out immediately if EV_ERROR is set.

[Sepherosa Ziehau]

commit 23a031e34d5e83e747ad3907f5e72c1175f7ad94
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Fri Sep 23 11:54:02 2011 +0800

    select(2)/kevent: Bail out immediately if EV_ERROR is set.
    
    By setting *res to -1, if kevent registration failed, select(2)
    will return error properly.

Summary of changes:
 sys/kern/sys_generic.c |   25 +++++++++++++------------
 1 files changed, 13 insertions(+), 12 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/23a031e34d5e83e747ad3907f5e72c1175f7ad94


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