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authorIngo Molnar <mingo@elte.hu>2010-05-18 00:17:44 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-18 00:17:44 +0200
commit9c6f7e43b4e02c161b53e97ba913855246876c61 (patch)
treef305ceacff1af61d53bcdd403fced5fef54a7ef0 /kernel/stop_machine.c
parenta93d2f1744206827ccf416e2cdc5018aa503314e (diff)
downloadlinux-9c6f7e43b4e02c161b53e97ba913855246876c61.tar.bz2
stop_machine: Move local variable closer to the usage site in cpu_stop_cpu_callback()
This addresses the following compiler warning: kernel/stop_machine.c: In function 'cpu_stop_cpu_callback': kernel/stop_machine.c:297: warning: unused variable 'work' Cc: Tejun Heo <tj@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <tip-3fc1f1e27a5b807791d72e5d992aa33b668a6626@git.kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/stop_machine.c')
-rw-r--r--kernel/stop_machine.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index ef51d1fcf5e6..b4e7431e7c78 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -294,7 +294,6 @@ static int __cpuinit cpu_stop_cpu_callback(struct notifier_block *nfb,
struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
unsigned int cpu = (unsigned long)hcpu;
struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);
- struct cpu_stop_work *work;
struct task_struct *p;
switch (action & ~CPU_TASKS_FROZEN) {
@@ -323,6 +322,9 @@ static int __cpuinit cpu_stop_cpu_callback(struct notifier_block *nfb,
#ifdef CONFIG_HOTPLUG_CPU
case CPU_UP_CANCELED:
case CPU_DEAD:
+ {
+ struct cpu_stop_work *work;
+
/* kill the stopper */
kthread_stop(stopper->thread);
/* drain remaining works */
@@ -335,6 +337,7 @@ static int __cpuinit cpu_stop_cpu_callback(struct notifier_block *nfb,
put_task_struct(stopper->thread);
stopper->thread = NULL;
break;
+ }
#endif
}