CVS commit: src/sys/dev/sysmon

["SAITOH Masanobu" <msaitoh%netbsd.org@localhost>]

Module Name:    src
Committed By:   msaitoh
Date:           Wed Sep  6 11:08:54 UTC 2017

Modified Files:
        src/sys/dev/sysmon: sysmon_envsys.c sysmon_envsys_events.c

Log Message:
 Fixes a problem that some driver(e.g. acpitz(4) or coretemp(5)) which
use sysmon_envsys sleep waiting at "rndsrc" when "drvctl -d".
Don't call rnd_detach_source() in sme_remove_event() which is called
from sme_event_unregister_all(). Instead, call rnd_detach_source() in
sysmon_envsys_sensor_detach() and call sysmon_envsys_sensor_detach()
before sme_event_unregister_sensor(). Each sensor(envsys_data) has each
rnd_src, but some sme_events point to the same rnd_src in a sensor.
Calling rnd_detach_souce() twice with the same rnd_src brokes a reference
count in rnd_src. OK'd by pgoyette@.


To generate a diff of this commit:
cvs rdiff -u -r1.139 -r1.140 src/sys/dev/sysmon/sysmon_envsys.c
cvs rdiff -u -r1.119 -r1.120 src/sys/dev/sysmon/sysmon_envsys_events.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.