/* * Copyright (c) 2010, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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, see . * * Author: John Fastabend */ #include #include #include #include static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain); int register_dcbevent_notifier(struct notifier_block *nb) { return atomic_notifier_chain_register(&dcbevent_notif_chain, nb); } EXPORT_SYMBOL(register_dcbevent_notifier); int unregister_dcbevent_notifier(struct notifier_block *nb) { return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb); } EXPORT_SYMBOL(unregister_dcbevent_notifier); int call_dcbevent_notifiers(unsigned long val, void *v) { return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v); } p-back net-next plumbingsTobias Klauser
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authorJiri Slaby <jslaby@suse.cz>2016-12-19 16:23:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-20 09:48:47 -0800
commit1b011e2f13fcf37e1e577fed25b295808d6c83b9 (patch)
tree50bb2b58757f3c578f40dec19c2b42a8d6bc534d /net/8021q/vlanproc.c
parent4983f0ab7ffaad1e534b21975367429736475205 (diff)
ratelimit: fix WARN_ON_RATELIMIT return value
The macro is to be used similarly as WARN_ON as: if (WARN_ON_RATELIMIT(condition, state)) do_something(); One would expect only 'condition' to affect the 'if', but WARN_ON_RATELIMIT does internally only: WARN_ON((condition) && __ratelimit(state)) So the 'if' is affected by the ratelimiting state too. Fix this by returning 'condition' in any case. Note that nobody uses WARN_ON_RATELIMIT yet, so there is nothing to worry about. But I was about to use it and was a bit surprised. Link: http://lkml.kernel.org/r/20161215093224.23126-1-jslaby@suse.cz Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/8021q/vlanproc.c')