[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>

include/net/xfrm.h

@@ -11,6 +11,7 @@
 #include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
 #include <linux/in6.h>
+#include <linux/mutex.h>
 
 #include <net/sock.h>
 #include <net/dst.h>
@@ -24,7 +25,7 @@ extern struct sock *xfrm_nl;
 extern u32 sysctl_xfrm_aevent_etime;
 extern u32 sysctl_xfrm_aevent_rseqth;
 
-extern struct semaphore xfrm_cfg_sem;
+extern struct mutex xfrm_cfg_mutex;
 
 /* Organization of SPD aka "XFRM rules"
    ------------------------------------

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;

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;
 

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);
 }
 
 /**

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();
 }
 

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;
 }

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);

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();
 

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;

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);

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();
 

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)

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;
 }
 

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:

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;
 }
 

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

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);
 }

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);
 

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);
 }