From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers) Date: Thu, 15 Sep 2011 11:17:20 -0400 Subject: [ltt-dev] [PATCH 07/10] protect writing to per_cpu_call_rcu_data[*] In-Reply-To: References: Message-ID: <20110915151720.GH3813@Krystal> * Lai Jiangshan (laijs at cn.fujitsu.com) wrote: > Signed-off-by: Lai Jiangshan Merged, thanks! Mathieu > --- > urcu-call-rcu-impl.h | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h > index 6e80fa9..c822646 100644 > --- a/urcu-call-rcu-impl.h > +++ b/urcu-call-rcu-impl.h > @@ -396,12 +396,13 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp) > errno = EINVAL; > return -EINVAL; > } > - call_rcu_unlock(&call_rcu_mutex); > if (per_cpu_call_rcu_data == NULL) { > + call_rcu_unlock(&call_rcu_mutex); > errno = ENOMEM; > return -ENOMEM; > } > per_cpu_call_rcu_data[cpu] = crdp; > + call_rcu_unlock(&call_rcu_mutex); > return 0; > } > > -- > 1.7.4.4 > -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com