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)