[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>

3 files changed, 21 insertions, 18 deletions

diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index d64e2ec8da7b..c95020f7c81e 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -24,6 +24,7 @@
 #include <linux/list.h>
 #include <linux/vmalloc.h>
 #include <linux/rtnetlink.h>
+#include <linux/mutex.h>
 #include <net/ip.h>
 #include <net/xfrm.h>
 #include <net/icmp.h>
@@ -36,7 +37,7 @@ struct ipcomp_tfms {
         int users;
 };
 
-static DECLARE_MUTEX(ipcomp_resource_sem);
+static DEFINE_MUTEX(ipcomp_resource_mutex);
 static void **ipcomp_scratches;
 static int ipcomp_scratch_users;
 static LIST_HEAD(ipcomp_tfms_list);
@@ -253,7 +254,7 @@ error:
 }
 
 /*
- * Must be protected by xfrm_cfg_sem.  State and tunnel user references are
+ * Must be protected by xfrm_cfg_mutex.  State and tunnel user references are
  * always incremented on success.
  */
 static int ipcomp_tunnel_attach(struct xfrm_state *x)
@@ -411,9 +412,9 @@ static void ipcomp_destroy(struct xfrm_state *x)
         if (!ipcd)
                 return;
         xfrm_state_delete_tunnel(x);
-        down(&ipcomp_resource_sem);
+        mutex_lock(&ipcomp_resource_mutex);
         ipcomp_free_data(ipcd);
-        up(&ipcomp_resource_sem);
+        mutex_unlock(&ipcomp_resource_mutex);
         kfree(ipcd);
 }
 
@@ -440,14 +441,14 @@ static int ipcomp_init_state(struct xfrm_state *x)
         if (x->props.mode)
                 x->props.header_len += sizeof(struct iphdr);
 
-        down(&ipcomp_resource_sem);
+        mutex_lock(&ipcomp_resource_mutex);
         if (!ipcomp_alloc_scratches())
                 goto error;
 
         ipcd->tfms = ipcomp_alloc_tfms(x->calg->alg_name);
         if (!ipcd->tfms)
                 goto error;
-        up(&ipcomp_resource_sem);
+        mutex_unlock(&ipcomp_resource_mutex);
 
         if (x->props.mode) {
                 err = ipcomp_tunnel_attach(x);
@@ -464,10 +465,10 @@ out:
         return err;
 
 error_tunnel:
-        down(&ipcomp_resource_sem);
+        mutex_lock(&ipcomp_resource_mutex);
 error:
         ipcomp_free_data(ipcd);
-        up(&ipcomp_resource_sem);
+        mutex_unlock(&ipcomp_resource_mutex);
         kfree(ipcd);
         goto out;
 }
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 08f80e2ea2aa..1655866c55b9 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -35,6 +35,7 @@
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
 #include <linux/security.h>
+#include <linux/mutex.h>
 #include <net/sock.h>
 #include <net/route.h>
 
@@ -61,7 +62,7 @@ static unsigned int queue_dropped = 0;
 static unsigned int queue_user_dropped = 0;
 static struct sock *ipqnl;
 static LIST_HEAD(queue_list);
-static DECLARE_MUTEX(ipqnl_sem);
+static DEFINE_MUTEX(ipqnl_mutex);
 
 static void
 ipq_issue_verdict(struct ipq_queue_entry *entry, int verdict)
@@ -539,7 +540,7 @@ ipq_rcv_sk(struct sock *sk, int len)
         struct sk_buff *skb;
         unsigned int qlen;
 
-        down(&ipqnl_sem);
+        mutex_lock(&ipqnl_mutex);
                         
         for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
                 skb = skb_dequeue(&sk->sk_receive_queue);
@@ -547,7 +548,7 @@ ipq_rcv_sk(struct sock *sk, int len)
                 kfree_skb(skb);
         }
                 
-        up(&ipqnl_sem);
+        mutex_unlock(&ipqnl_mutex);
 }
 
 static int
@@ -708,8 +709,8 @@ cleanup_sysctl:
         
 cleanup_ipqnl:
         sock_release(ipqnl->sk_socket);
-        down(&ipqnl_sem);
-        up(&ipqnl_sem);
+        mutex_lock(&ipqnl_mutex);
+        mutex_unlock(&ipqnl_mutex);
         
 cleanup_netlink_notifier:
         netlink_unregister_notifier(&ipq_nl_notifier);
diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index afbb0d4cc305..b08d56b117f8 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -5,6 +5,7 @@
 
 #include <linux/skbuff.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <net/xfrm.h>
 #include <net/ip.h>
 #include <net/protocol.h>
@@ -26,19 +27,19 @@ static int ipip_xfrm_rcv(struct xfrm_state *x, struct xfrm_decap_state *decap, s
 }
 
 static struct xfrm_tunnel *ipip_handler;
-static DECLARE_MUTEX(xfrm4_tunnel_sem);
+static DEFINE_MUTEX(xfrm4_tunnel_mutex);
 
 int xfrm4_tunnel_register(struct xfrm_tunnel *handler)
 {
         int ret;
 
-        down(&xfrm4_tunnel_sem);
+        mutex_lock(&xfrm4_tunnel_mutex);
         ret = 0;
         if (ipip_handler != NULL)
                 ret = -EINVAL;
         if (!ret)
                 ipip_handler = handler;
-        up(&xfrm4_tunnel_sem);
+        mutex_unlock(&xfrm4_tunnel_mutex);
 
         return ret;
 }
@@ -49,13 +50,13 @@ int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler)
 {
         int ret;
 
-        down(&xfrm4_tunnel_sem);
+        mutex_lock(&xfrm4_tunnel_mutex);
         ret = 0;
         if (ipip_handler != handler)
                 ret = -EINVAL;
         if (!ret)
                 ipip_handler = NULL;
-        up(&xfrm4_tunnel_sem);
+        mutex_unlock(&xfrm4_tunnel_mutex);
 
         synchronize_net();