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Fix a memory leak on configuration reload, and incorrect termination

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when a sensor fails to read.
From James J. Lippard
ok tb
This commit is contained in:
deraadt
2026-04-12 13:29:46 +00:00
parent 9170fc1ddc
commit 4ec71eecce
1 changed files with 7 additions and 3 deletions
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10
usr.sbin/sensorsd/sensorsd.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: sensorsd.c,v 1.69 2023/03/08 04:43:15 guenther Exp $ */
/* $OpenBSD: sensorsd.c,v 1.70 2026/04/12 13:29:46 deraadt Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -363,8 +363,11 @@ check_sdlim(struct sdlim_t *sdlim, time_t this_check)
mib[3] = limit->type;
mib[4] = limit->numt;
if (sysctl(mib, 5, &sensor, &len, NULL, 0) == -1)
err(1, "sysctl");
if (sysctl(mib, 5, &sensor, &len, NULL, 0) == -1) {
if (errno != ENOENT)
warn("sysctl");
continue;
}
if (!(limit->flags & SENSORSD_L_ISTATUS)) {
enum sensor_status newastatus = sensor.status;
@@ -753,6 +756,7 @@ parse_config_sdlim(struct sdlim_t *sdlim, char *cf)
if (cgetstr(buf, "command", &ebuf) < 0)
ebuf = NULL;
if (ebuf != NULL) {
free(p->command);
p->command = ebuf;
ebuf = NULL;
}