/* * user_space.c - A simple user space Thermal events notifier * * Copyright (C) 2012 Intel Corp * Copyright (C) 2012 Durgadoss R * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include #include #include "thermal_core.h" /** * notify_user_space - Notifies user space about thermal events * @tz - thermal_zone_device * @trip - Trip point index * * This function notifies the user space through UEvents. */ static int notify_user_space(struct thermal_zone_device *tz, int trip) { char *thermal_prop[5]; int i; mutex_lock(&tz->lock); thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type); thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature); thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip); thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event); thermal_prop[4] = NULL; kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop); for (i = 0; i < 4; ++i) kfree(thermal_prop[i]); mutex_unlock(&tz->lock); return 0; } static struct thermal_governor thermal_gov_user_space = { .name = "user_space", .throttle = notify_user_space, }; int thermal_gov_user_space_register(void) { return thermal_register_governor(&thermal_gov_user_space); } void thermal_gov_user_space_unregister(void) { thermal_unregister_governor(&thermal_gov_user_space); } -private-remove&id=33e962c8871f015f5c8978384553dddcf5b81b22'>diff
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authorStanislaw Gruszka <sgruszka@redhat.com>2017-01-29 12:40:52 +0100
committerKalle Valo <kvalo@codeaurora.org>2017-01-31 09:08:52 +0200
commit33e962c8871f015f5c8978384553dddcf5b81b22 (patch)
tree43aff96c2ee21d9e0fa2018457778a4de52053cd /tools/vm/Makefile
parent575ddce0507789bf9830d089557d2199d2f91865 (diff)
rt2x00: fix clk_get call
clk_get() takes two arguments and might return ERR_PTR(), so we have to nullify pointer on that case, to do not break further call to clk_get_rate(). Reported-by: Felix Fietkau <nbd@nbd.name> Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices") Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'tools/vm/Makefile')