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-rw-r--r--net/core/flow.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/core/flow.c b/net/core/flow.c
index c4f25385029..55789f832ed 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -20,6 +20,7 @@
#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/mutex.h>
#include <net/flow.h>
#include <asm/atomic.h>
#include <asm/semaphore.h>
@@ -287,11 +288,11 @@ static void flow_cache_flush_per_cpu(void *data)
void flow_cache_flush(void)
{
struct flow_flush_info info;
- static DECLARE_MUTEX(flow_flush_sem);
+ static DEFINE_MUTEX(flow_flush_sem);
/* Don't want cpus going down or up during this. */
lock_cpu_hotplug();
- down(&flow_flush_sem);
+ mutex_lock(&flow_flush_sem);
atomic_set(&info.cpuleft, num_online_cpus());
init_completion(&info.completion);
@@ -301,7 +302,7 @@ void flow_cache_flush(void)
local_bh_enable();
wait_for_completion(&info.completion);
- up(&flow_flush_sem);
+ mutex_unlock(&flow_flush_sem);
unlock_cpu_hotplug();
}