[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>
git-mirror · Mar 21, 2006 · 4a3e2f7 · 4a3e2f7
1 parent d4ccd08
commit 4a3e2f7
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Showing 19 changed files with 118 additions and 101 deletions.
diff --git a/include/net/xfrm.h b/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"
    ------------------------------------

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
@@ -18,29 +18,30 @@
 #include <linux/atmmpc.h>
 #include <net/atmclip.h>
 #include <linux/atmlec.h>
+#include <linux/mutex.h>
 #include <asm/ioctls.h>
 
 #include "resources.h"
 #include "signaling.h"		/* for WAITING and sigd_attach */
 #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
@@ -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
@@ -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>
@@ -2931,15 +2932,15 @@ 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);
 	int err;
 
 
 	/* 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
@@ -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
@@ -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 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x)
 }
 
 /*
- * 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 @@ static int ipcomp_init_state(struct xfrm_state *x)
 	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
@@ -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)
@@ -539,15 +540,15 @@ 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);
 		ipq_rcv_skb(skb);
 		kfree_skb(skb);
 	}
 
-	up(&ipqnl_sem);
+	mutex_unlock(&ipqnl_mutex);
 }
 
 static int
@@ -708,8 +709,8 @@ init_or_cleanup(int init)
 
 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
@@ -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
@@ -50,14 +50,15 @@
 #include <net/protocol.h>
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
+#include <linux/mutex.h>
 
 struct ipcomp6_tfms {
 	struct list_head list;
 	struct crypto_tfm **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;