X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fflow.c;h=e318c7e98042ffcfd1fc43a1d04b5cf816d651a8;hb=e7588cfc3445492a2020cb4a205a7258dd1d5d6a;hp=555a456efb076d016abe58827b93d05ab39a7465;hpb=806468f8bf76a3cb2b626dd282946a6c9c0a50f0;p=pandora-kernel.git

diff --git a/net/core/flow.c b/net/core/flow.c
index 555a456efb07..e318c7e98042 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
 	put_online_cpus();
 }
 
+static void flow_cache_flush_task(struct work_struct *work)
+{
+	flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+	schedule_work(&flow_cache_flush_work);
+}
+
 static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
 {
 	struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
@@ -413,7 +425,7 @@ static int __init flow_cache_init(struct flow_cache *fc)
 
 	for_each_online_cpu(i) {
 		if (flow_cache_cpu_prepare(fc, i))
-			return -ENOMEM;
+			goto err;
 	}
 	fc->hotcpu_notifier = (struct notifier_block){
 		.notifier_call = flow_cache_cpu,
@@ -426,6 +438,18 @@ static int __init flow_cache_init(struct flow_cache *fc)
 	add_timer(&fc->rnd_timer);
 
 	return 0;
+
+err:
+	for_each_possible_cpu(i) {
+		struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, i);
+		kfree(fcp->hash_table);
+		fcp->hash_table = NULL;
+	}
+
+	free_percpu(fc->percpu);
+	fc->percpu = NULL;
+
+	return -ENOMEM;
 }
 
 static int __init flow_cache_init_global(void)