2 files changed, 8 insertions, 6 deletions

diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c
index 258daa80ad92..2bf23406637a 100644
--- a/net/wanrouter/wanmain.c
+++ b/net/wanrouter/wanmain.c
@@ -48,7 +48,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>	/* support for loadable modules */
 #include <linux/slab.h>		/* kmalloc(), kfree() */
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/mm.h>
 #include <linux/string.h>	/* inline mem*, str* functions */
 
@@ -71,6 +71,7 @@
  *	WAN device IOCTL handlers
  */
 
+static DEFINE_MUTEX(wanrouter_mutex);
 static int wanrouter_device_setup(struct wan_device *wandev,
 				  wandev_conf_t __user *u_conf);
 static int wanrouter_device_stat(struct wan_device *wandev,
@@ -376,7 +377,7 @@ long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	if (wandev->magic != ROUTER_MAGIC)
 		return -EINVAL;
 
-	lock_kernel();
+	mutex_lock(&wanrouter_mutex);
 	switch (cmd) {
 	case ROUTER_SETUP:
 		err = wanrouter_device_setup(wandev, data);
@@ -408,7 +409,7 @@ long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			err = wandev->ioctl(wandev, cmd, arg);
 		else err = -EINVAL;
 	}
-	unlock_kernel();
+	mutex_unlock(&wanrouter_mutex);
 	return err;
 }
 
diff --git a/net/wanrouter/wanproc.c b/net/wanrouter/wanproc.c
index c44d96b3a437..11f25c7a7a05 100644
--- a/net/wanrouter/wanproc.c
+++ b/net/wanrouter/wanproc.c
@@ -27,7 +27,7 @@
 #include <linux/module.h>
 #include <linux/wanrouter.h>	/* WAN router API definitions */
 #include <linux/seq_file.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include <net/net_namespace.h>
 #include <asm/io.h>
@@ -66,6 +66,7 @@
  *	/proc/net/router
  */
 
+static DEFINE_MUTEX(config_mutex);
 static struct proc_dir_entry *proc_router;
 
 /* Strings */
@@ -85,7 +86,7 @@ static void *r_start(struct seq_file *m, loff_t *pos)
 	struct wan_device *wandev;
 	loff_t l = *pos;
 
-	lock_kernel();
+	mutex_lock(&config_mutex);
 	if (!l--)
 		return SEQ_START_TOKEN;
 	for (wandev = wanrouter_router_devlist; l-- && wandev;
@@ -104,7 +105,7 @@ static void *r_next(struct seq_file *m, void *v, loff_t *pos)
 static void r_stop(struct seq_file *m, void *v)
 	__releases(kernel_lock)
 {
-	unlock_kernel();
+	mutex_unlock(&config_mutex);
 }
 
 static int config_show(struct seq_file *m, void *v)