1 files changed, 2 insertions, 4 deletions

diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 2dc57bca0688..a5ebe421195f 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -22,7 +22,6 @@
 #include <linux/miscdevice.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/reboot.h>
 #include <asm/uaccess.h>
 
@@ -191,7 +190,7 @@ static struct ocfs2_live_connection *ocfs2_connection_find(const char *name)
                         return c;
         }
 
-        return c;
+        return NULL;
 }
 
 /*
@@ -612,12 +611,10 @@ static int ocfs2_control_open(struct inode *inode, struct file *file)
                 return -ENOMEM;
         p->op_this_node = -1;
 
-        lock_kernel();
         mutex_lock(&ocfs2_control_lock);
         file->private_data = p;
         list_add(&p->op_list, &ocfs2_control_private_list);
         mutex_unlock(&ocfs2_control_lock);
-        unlock_kernel();
 
         return 0;
 }
@@ -628,6 +625,7 @@ static const struct file_operations ocfs2_control_fops = {
         .read    = ocfs2_control_read,
         .write   = ocfs2_control_write,
         .owner   = THIS_MODULE,
+        .llseek  = default_llseek,
 };
 
 static struct miscdevice ocfs2_control_device = {