[NET] sem2mutex: net/

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index ee04409..08dec6e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -81,6 +81,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/mutex.h>
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/socket.h>
@@ -2931,7 +2932,7 @@
  * 2) Since we run with the RTNL semaphore not held, we can sleep
  *    safely in order to wait for the netdev refcnt to drop to zero.
  */
-static DECLARE_MUTEX(net_todo_run_mutex);
+static DEFINE_MUTEX(net_todo_run_mutex);
 void netdev_run_todo(void)
 {
 	struct list_head list = LIST_HEAD_INIT(list);
@@ -2939,7 +2940,7 @@
 
 
 	/* Need to guard against multiple cpu's getting out of order. */
-	down(&net_todo_run_mutex);
+	mutex_lock(&net_todo_run_mutex);
 
 	/* Not safe to do outside the semaphore.  We must not return
 	 * until all unregister events invoked by the local processor
@@ -2996,7 +2997,7 @@
 	}
 
 out:
-	up(&net_todo_run_mutex);
+	mutex_unlock(&net_todo_run_mutex);
 }
 
 /**
diff --git a/net/core/flow.c b/net/core/flow.c
index c4f2538..55789f8 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 @@
 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 @@
 	local_bh_enable();
 
 	wait_for_completion(&info.completion);
-	up(&flow_flush_sem);
+	mutex_unlock(&flow_flush_sem);
 	unlock_cpu_hotplug();
 }