[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>

18 files changed, 116 insertions, 100 deletions

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index eb109af7eb4a..851cfa6312af 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -18,6 +18,7 @@
 #include <linux/atmmpc.h>
 #include <net/atmclip.h>
 #include <linux/atmlec.h>
+#include <linux/mutex.h>
 #include <asm/ioctls.h>
 
 #include "resources.h"
@@ -25,22 +26,22 @@
 #include "common.h"
 
 
-static DECLARE_MUTEX(ioctl_mutex);
+static DEFINE_MUTEX(ioctl_mutex);
 static LIST_HEAD(ioctl_list);
 
 
 void register_atm_ioctl(struct atm_ioctl *ioctl)
 {
-        down(&ioctl_mutex);
+        mutex_lock(&ioctl_mutex);
         list_add_tail(&ioctl->list, &ioctl_list);
-        up(&ioctl_mutex);
+        mutex_unlock(&ioctl_mutex);
 }
 
 void deregister_atm_ioctl(struct atm_ioctl *ioctl)
 {
-        down(&ioctl_mutex);
+        mutex_lock(&ioctl_mutex);
         list_del(&ioctl->list);
-        up(&ioctl_mutex);
+        mutex_unlock(&ioctl_mutex);
 }
 
 EXPORT_SYMBOL(register_atm_ioctl);
@@ -137,7 +138,7 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
         error = -ENOIOCTLCMD;
 
-        down(&ioctl_mutex);
+        mutex_lock(&ioctl_mutex);
         list_for_each(pos, &ioctl_list) {
                 struct atm_ioctl * ic = list_entry(pos, struct atm_ioctl, list);
                 if (try_module_get(ic->owner)) {
@@ -147,7 +148,7 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                                 break;
                 }
         }
-        up(&ioctl_mutex);
+        mutex_unlock(&ioctl_mutex);
 
         if (error != -ENOIOCTLCMD)
                 goto done;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 5b4253c61f62..e99010ce8bb2 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -37,6 +37,8 @@
 #include <linux/wait.h>
 #include <linux/device.h>
 #include <linux/net.h>
+#include <linux/mutex.h>
+
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/unaligned.h>
@@ -57,9 +59,9 @@ static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
 
 static struct task_struct *rfcomm_thread;
 
-static DECLARE_MUTEX(rfcomm_sem);
-#define rfcomm_lock()   down(&rfcomm_sem);
-#define rfcomm_unlock() up(&rfcomm_sem);
+static DEFINE_MUTEX(rfcomm_mutex);
+#define rfcomm_lock()   mutex_lock(&rfcomm_mutex)
+#define rfcomm_unlock() mutex_unlock(&rfcomm_mutex)
 
 static unsigned long rfcomm_event;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index ee044097f7f2..08dec6eb922b 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 @@ static void netdev_wait_allrefs(struct net_device *dev)
  * 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 @@ void netdev_run_todo(void)
 
 
         /* 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 @@ void netdev_run_todo(void)
         }
 
 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 c4f25385029f..55789f832eda 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();
 }
 
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();
 
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 6107592fbd8c..3c7b324cd20c 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -50,6 +50,7 @@
 #include <net/protocol.h>
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
+#include <linux/mutex.h>
 
 struct ipcomp6_tfms {
         struct list_head list;
@@ -57,7 +58,7 @@ struct ipcomp6_tfms {
         int users;
 };
 
-static DECLARE_MUTEX(ipcomp6_resource_sem);
+static DEFINE_MUTEX(ipcomp6_resource_mutex);
 static void **ipcomp6_scratches;
 static int ipcomp6_scratch_users;
 static LIST_HEAD(ipcomp6_tfms_list);
@@ -405,9 +406,9 @@ static void ipcomp6_destroy(struct xfrm_state *x)
         if (!ipcd)
                 return;
         xfrm_state_delete_tunnel(x);
-        down(&ipcomp6_resource_sem);
+        mutex_lock(&ipcomp6_resource_mutex);
         ipcomp6_free_data(ipcd);
-        up(&ipcomp6_resource_sem);
+        mutex_unlock(&ipcomp6_resource_mutex);
         kfree(ipcd);
 
         xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
@@ -436,14 +437,14 @@ static int ipcomp6_init_state(struct xfrm_state *x)
         if (x->props.mode)
                 x->props.header_len += sizeof(struct ipv6hdr);
         
-        down(&ipcomp6_resource_sem);
+        mutex_lock(&ipcomp6_resource_mutex);
         if (!ipcomp6_alloc_scratches())
                 goto error;
 
         ipcd->tfms = ipcomp6_alloc_tfms(x->calg->alg_name);
         if (!ipcd->tfms)
                 goto error;
-        up(&ipcomp6_resource_sem);
+        mutex_unlock(&ipcomp6_resource_mutex);
 
         if (x->props.mode) {
                 err = ipcomp6_tunnel_attach(x);
@@ -459,10 +460,10 @@ static int ipcomp6_init_state(struct xfrm_state *x)
 out:
         return err;
 error_tunnel:
-        down(&ipcomp6_resource_sem);
+        mutex_lock(&ipcomp6_resource_mutex);
 error:
         ipcomp6_free_data(ipcd);
-        up(&ipcomp6_resource_sem);
+        mutex_unlock(&ipcomp6_resource_mutex);
         kfree(ipcd);
 
         goto out;
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index af0635084df8..344eab3b5da8 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -35,6 +35,7 @@
 #include <linux/spinlock.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
+#include <linux/mutex.h>
 #include <net/sock.h>
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
@@ -65,7 +66,7 @@ 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)
@@ -537,7 +538,7 @@ 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);
@@ -545,7 +546,7 @@ ipq_rcv_sk(struct sock *sk, int len)
                 kfree_skb(skb);
         }
                 
-        up(&ipqnl_sem);
+        mutex_unlock(&ipqnl_mutex);
 }
 
 static int
@@ -704,8 +705,8 @@ 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/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 8cfc58b96fc2..08f9abbdf1d7 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -31,6 +31,7 @@
 #include <net/protocol.h>
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_IPV6_XFRM6_TUNNEL_DEBUG
 # define X6TDEBUG       3
@@ -357,19 +358,19 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct xfrm_decap_state *dec
 }
 
 static struct xfrm6_tunnel *xfrm6_tunnel_handler;
-static DECLARE_MUTEX(xfrm6_tunnel_sem);
+static DEFINE_MUTEX(xfrm6_tunnel_mutex);
 
 int xfrm6_tunnel_register(struct xfrm6_tunnel *handler)
 {
         int ret;
 
-        down(&xfrm6_tunnel_sem);
+        mutex_lock(&xfrm6_tunnel_mutex);
         ret = 0;
         if (xfrm6_tunnel_handler != NULL)
                 ret = -EINVAL;
         if (!ret)
                 xfrm6_tunnel_handler = handler;
-        up(&xfrm6_tunnel_sem);
+        mutex_unlock(&xfrm6_tunnel_mutex);
 
         return ret;
 }
@@ -380,13 +381,13 @@ int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler)
 {
         int ret;
 
-        down(&xfrm6_tunnel_sem);
+        mutex_lock(&xfrm6_tunnel_mutex);
         ret = 0;
         if (xfrm6_tunnel_handler != handler)
                 ret = -EINVAL;
         if (!ret)
                 xfrm6_tunnel_handler = NULL;
-        up(&xfrm6_tunnel_sem);
+        mutex_unlock(&xfrm6_tunnel_mutex);
 
         synchronize_net();
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 520fe70d0993..859582275cab 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3080,9 +3080,9 @@ static int pfkey_sendmsg(struct kiocb *kiocb,
         if (!hdr)
                 goto out;
 
-        down(&xfrm_cfg_sem);
+        mutex_lock(&xfrm_cfg_mutex);
         err = pfkey_process(sk, skb, hdr);
-        up(&xfrm_cfg_sem);
+        mutex_unlock(&xfrm_cfg_mutex);
 
 out:
         if (err && hdr && pfkey_error(hdr, err, sk) == 0)
diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
index 61a833a9caa6..0e5c5e204799 100644
--- a/net/netfilter/nf_sockopt.c
+++ b/net/netfilter/nf_sockopt.c
@@ -4,6 +4,7 @@
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter.h>
+#include <linux/mutex.h>
 #include <net/sock.h>
 
 #include "nf_internals.h"
@@ -11,7 +12,7 @@
 /* Sockopts only registered and called from user context, so
    net locking would be overkill.  Also, [gs]etsockopt calls may
    sleep. */
-static DECLARE_MUTEX(nf_sockopt_mutex);
+static DEFINE_MUTEX(nf_sockopt_mutex);
 static LIST_HEAD(nf_sockopts);
 
 /* Do exclusive ranges overlap? */
@@ -26,7 +27,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg)
         struct list_head *i;
         int ret = 0;
 
-        if (down_interruptible(&nf_sockopt_mutex) != 0)
+        if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0)
                 return -EINTR;
 
         list_for_each(i, &nf_sockopts) {
@@ -48,7 +49,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg)
 
         list_add(&reg->list, &nf_sockopts);
 out:
-        up(&nf_sockopt_mutex);
+        mutex_unlock(&nf_sockopt_mutex);
         return ret;
 }
 EXPORT_SYMBOL(nf_register_sockopt);
@@ -57,18 +58,18 @@ void nf_unregister_sockopt(struct nf_sockopt_ops *reg)
 {
         /* No point being interruptible: we're probably in cleanup_module() */
  restart:
-        down(&nf_sockopt_mutex);
+        mutex_lock(&nf_sockopt_mutex);
         if (reg->use != 0) {
                 /* To be woken by nf_sockopt call... */
                 /* FIXME: Stuart Young's name appears gratuitously. */
                 set_current_state(TASK_UNINTERRUPTIBLE);
                 reg->cleanup_task = current;
-                up(&nf_sockopt_mutex);
+                mutex_unlock(&nf_sockopt_mutex);
                 schedule();
                 goto restart;
         }
         list_del(&reg->list);
-        up(&nf_sockopt_mutex);
+        mutex_unlock(&nf_sockopt_mutex);
 }
 EXPORT_SYMBOL(nf_unregister_sockopt);
 
@@ -80,7 +81,7 @@ static int nf_sockopt(struct sock *sk, int pf, int val,
         struct nf_sockopt_ops *ops;
         int ret;
 
-        if (down_interruptible(&nf_sockopt_mutex) != 0)
+        if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0)
                 return -EINTR;
 
         list_for_each(i, &nf_sockopts) {
@@ -90,7 +91,7 @@ static int nf_sockopt(struct sock *sk, int pf, int val,
                                 if (val >= ops->get_optmin
                                     && val < ops->get_optmax) {
                                         ops->use++;
-                                        up(&nf_sockopt_mutex);
+                                        mutex_unlock(&nf_sockopt_mutex);
                                         ret = ops->get(sk, val, opt, len);
                                         goto out;
                                 }
@@ -98,22 +99,22 @@ static int nf_sockopt(struct sock *sk, int pf, int val,
                                 if (val >= ops->set_optmin
                                     && val < ops->set_optmax) {
                                         ops->use++;
-                                        up(&nf_sockopt_mutex);
+                                        mutex_unlock(&nf_sockopt_mutex);
                                         ret = ops->set(sk, val, opt, *len);
                                         goto out;
                                 }
                         }
                 }
         }
-        up(&nf_sockopt_mutex);
+        mutex_unlock(&nf_sockopt_mutex);
         return -ENOPROTOOPT;
         
  out:
-        down(&nf_sockopt_mutex);
+        mutex_lock(&nf_sockopt_mutex);
         ops->use--;
         if (ops->cleanup_task)
                 wake_up_process(ops->cleanup_task);
-        up(&nf_sockopt_mutex);
+        mutex_unlock(&nf_sockopt_mutex);
         return ret;
 }
 
diff --git a/net/socket.c b/net/socket.c
index 510ae18d220a..e3c21d5ec288 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -68,6 +68,7 @@
 #include <linux/netdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/mutex.h>
 #include <linux/wanrouter.h>
 #include <linux/if_bridge.h>
 #include <linux/if_frad.h>
@@ -826,36 +827,36 @@ static ssize_t sock_aio_write(struct kiocb *iocb, const char __user *ubuf,
  * with module unload.
  */
 
-static DECLARE_MUTEX(br_ioctl_mutex);
+static DEFINE_MUTEX(br_ioctl_mutex);
 static int (*br_ioctl_hook)(unsigned int cmd, void __user *arg) = NULL;
 
 void brioctl_set(int (*hook)(unsigned int, void __user *))
 {
-        down(&br_ioctl_mutex);
+        mutex_lock(&br_ioctl_mutex);
         br_ioctl_hook = hook;
-        up(&br_ioctl_mutex);
+        mutex_unlock(&br_ioctl_mutex);
 }
 EXPORT_SYMBOL(brioctl_set);
 
-static DECLARE_MUTEX(vlan_ioctl_mutex);
+static DEFINE_MUTEX(vlan_ioctl_mutex);
 static int (*vlan_ioctl_hook)(void __user *arg);
 
 void vlan_ioctl_set(int (*hook)(void __user *))
 {
-        down(&vlan_ioctl_mutex);
+        mutex_lock(&vlan_ioctl_mutex);
         vlan_ioctl_hook = hook;
-        up(&vlan_ioctl_mutex);
+        mutex_unlock(&vlan_ioctl_mutex);
 }
 EXPORT_SYMBOL(vlan_ioctl_set);
 
-static DECLARE_MUTEX(dlci_ioctl_mutex);
+static DEFINE_MUTEX(dlci_ioctl_mutex);
 static int (*dlci_ioctl_hook)(unsigned int, void __user *);
 
 void dlci_ioctl_set(int (*hook)(unsigned int, void __user *))
 {
-        down(&dlci_ioctl_mutex);
+        mutex_lock(&dlci_ioctl_mutex);
         dlci_ioctl_hook = hook;
-        up(&dlci_ioctl_mutex);
+        mutex_unlock(&dlci_ioctl_mutex);
 }
 EXPORT_SYMBOL(dlci_ioctl_set);
 
@@ -899,10 +900,10 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                         if (!br_ioctl_hook)
                                 request_module("bridge");
 
-                        down(&br_ioctl_mutex);
+                        mutex_lock(&br_ioctl_mutex);
                         if (br_ioctl_hook) 
                                 err = br_ioctl_hook(cmd, argp);
-                        up(&br_ioctl_mutex);
+                        mutex_unlock(&br_ioctl_mutex);
                         break;
                 case SIOCGIFVLAN:
                 case SIOCSIFVLAN:
@@ -910,10 +911,10 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                         if (!vlan_ioctl_hook)
                                 request_module("8021q");
 
-                        down(&vlan_ioctl_mutex);
+                        mutex_lock(&vlan_ioctl_mutex);
                         if (vlan_ioctl_hook)
                                 err = vlan_ioctl_hook(argp);
-                        up(&vlan_ioctl_mutex);
+                        mutex_unlock(&vlan_ioctl_mutex);
                         break;
                 case SIOCGIFDIVERT:
                 case SIOCSIFDIVERT:
@@ -927,9 +928,9 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                                 request_module("dlci");
 
                         if (dlci_ioctl_hook) {
-                                down(&dlci_ioctl_mutex);
+                                mutex_lock(&dlci_ioctl_mutex);
                                 err = dlci_ioctl_hook(cmd, argp);
-                                up(&dlci_ioctl_mutex);
+                                mutex_unlock(&dlci_ioctl_mutex);
                         }
                         break;
                 default:
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index dcaa0c4453ff..0acccfeeb284 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -26,6 +26,7 @@
 #include <linux/proc_fs.h>
 #include <linux/net.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 #include <asm/ioctls.h>
 #include <linux/sunrpc/types.h>
 #include <linux/sunrpc/cache.h>
@@ -532,7 +533,7 @@ void cache_clean_deferred(void *owner)
  */
 
 static DEFINE_SPINLOCK(queue_lock);
-static DECLARE_MUTEX(queue_io_sem);
+static DEFINE_MUTEX(queue_io_mutex);
 
 struct cache_queue {
         struct list_head        list;
@@ -561,7 +562,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
         if (count == 0)
                 return 0;
 
-        down(&queue_io_sem); /* protect against multiple concurrent
+        mutex_lock(&queue_io_mutex); /* protect against multiple concurrent
                               * readers on this file */
  again:
         spin_lock(&queue_lock);
@@ -574,7 +575,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
         }
         if (rp->q.list.next == &cd->queue) {
                 spin_unlock(&queue_lock);
-                up(&queue_io_sem);
+                mutex_unlock(&queue_io_mutex);
                 BUG_ON(rp->offset);
                 return 0;
         }
@@ -621,11 +622,11 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
         }
         if (err == -EAGAIN)
                 goto again;
-        up(&queue_io_sem);
+        mutex_unlock(&queue_io_mutex);
         return err ? err :  count;
 }
 
-static char write_buf[8192]; /* protected by queue_io_sem */
+static char write_buf[8192]; /* protected by queue_io_mutex */
 
 static ssize_t
 cache_write(struct file *filp, const char __user *buf, size_t count,
@@ -639,10 +640,10 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
         if (count >= sizeof(write_buf))
                 return -EINVAL;
 
-        down(&queue_io_sem);
+        mutex_lock(&queue_io_mutex);
 
         if (copy_from_user(write_buf, buf, count)) {
-                up(&queue_io_sem);
+                mutex_unlock(&queue_io_mutex);
                 return -EFAULT;
         }
         write_buf[count] = '\0';
@@ -651,7 +652,7 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
         else
                 err = -EINVAL;
 
-        up(&queue_io_sem);
+        mutex_unlock(&queue_io_mutex);
         return err ? err : count;
 }
 
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index e838d042f7f5..dff07795bd16 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -18,6 +18,7 @@
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/xprt.h>
@@ -62,7 +63,7 @@ static LIST_HEAD(all_tasks);
 /*
  * rpciod-related stuff
  */
-static DECLARE_MUTEX(rpciod_sema);
+static DEFINE_MUTEX(rpciod_mutex);
 static unsigned int             rpciod_users;
 static struct workqueue_struct *rpciod_workqueue;
 
@@ -1047,7 +1048,7 @@ rpciod_up(void)
         struct workqueue_struct *wq;
         int error = 0;
 
-        down(&rpciod_sema);
+        mutex_lock(&rpciod_mutex);
         dprintk("rpciod_up: users %d\n", rpciod_users);
         rpciod_users++;
         if (rpciod_workqueue)
@@ -1070,14 +1071,14 @@ rpciod_up(void)
         rpciod_workqueue = wq;
         error = 0;
 out:
-        up(&rpciod_sema);
+        mutex_unlock(&rpciod_mutex);
         return error;
 }
 
 void
 rpciod_down(void)
 {
-        down(&rpciod_sema);
+        mutex_lock(&rpciod_mutex);
         dprintk("rpciod_down sema %d\n", rpciod_users);
         if (rpciod_users) {
                 if (--rpciod_users)
@@ -1094,7 +1095,7 @@ rpciod_down(void)
         destroy_workqueue(rpciod_workqueue);
         rpciod_workqueue = NULL;
  out:
-        up(&rpciod_sema);
+        mutex_unlock(&rpciod_mutex);
 }
 
 #ifdef RPC_DEBUG
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 411802bd4d37..746c2f4a5fa6 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -76,6 +76,7 @@
 #include <linux/netdevice.h>
 #include <linux/file.h>
 #include <linux/proc_fs.h>
+#include <linux/mutex.h>
 
 #include <net/sock.h>
 #include <net/af_unix.h>
@@ -169,7 +170,7 @@ static void maybe_unmark_and_push(struct sock *x)
 
 void unix_gc(void)
 {
-        static DECLARE_MUTEX(unix_gc_sem);
+        static DEFINE_MUTEX(unix_gc_sem);
         int i;
         struct sock *s;
         struct sk_buff_head hitlist;
@@ -179,7 +180,7 @@ void unix_gc(void)
          *      Avoid a recursive GC.
          */
 
-        if (down_trylock(&unix_gc_sem))
+        if (!mutex_trylock(&unix_gc_sem))
                 return;
 
         spin_lock(&unix_table_lock);
@@ -308,5 +309,5 @@ void unix_gc(void)
          */
 
         __skb_queue_purge(&hitlist);
-        up(&unix_gc_sem);
+        mutex_unlock(&unix_gc_sem);
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b46079263e8b..f5eae9febd26 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -26,8 +26,8 @@
 #include <net/xfrm.h>
 #include <net/ip.h>
 
-DECLARE_MUTEX(xfrm_cfg_sem);
-EXPORT_SYMBOL(xfrm_cfg_sem);
+DEFINE_MUTEX(xfrm_cfg_mutex);
+EXPORT_SYMBOL(xfrm_cfg_mutex);
 
 static DEFINE_RWLOCK(xfrm_policy_lock);
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 7b1acd995168..4a7120a7e10f 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1486,9 +1486,9 @@ static void xfrm_netlink_rcv(struct sock *sk, int len)
         unsigned int qlen = 0;
 
         do {
-                down(&xfrm_cfg_sem);
+                mutex_lock(&xfrm_cfg_mutex);
                 netlink_run_queue(sk, &qlen, &xfrm_user_rcv_msg);
-                up(&xfrm_cfg_sem);
+                mutex_unlock(&xfrm_cfg_mutex);
 
         } while (qlen);
 }