Merge commit 'v2.6.30' into for-2.6.31

[safe/jmp/linux-2.6] / security / inode.c

diff --git a/security/inode.c b/security/inode.c
index dbe040a..f3b91bf 100644 (file)
--- a/security/inode.c
+++ b/security/inode.c
@@ -20,8 +20,7 @@
 #include <linux/init.h>
 #include <linux/namei.h>
 #include <linux/security.h>
-
-#define SECURITYFS_MAGIC       0x73636673
+#include <linux/magic.h>
 
 static struct vfsmount *mount;
 static int mount_count;
@@ -62,9 +61,6 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev)
 
        if (inode) {
                inode->i_mode = mode;
-               inode->i_uid = 0;
-               inode->i_gid = 0;
-               inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                switch (mode & S_IFMT) {
                default:
@@ -190,7 +186,7 @@ static int create_by_name(const char *name, mode_t mode,
  * @name: a pointer to a string containing the name of the file to create.
  * @mode: the permission that the file should have
  * @parent: a pointer to the parent dentry for this file.  This should be a
- *          directory dentry if set.  If this paramater is NULL, then the
+ *          directory dentry if set.  If this parameter is %NULL, then the
  *          file will be created in the root of the securityfs filesystem.
  * @data: a pointer to something that the caller will want to get to later
  *        on.  The inode.i_private pointer will point to this value on
@@ -199,19 +195,18 @@ static int create_by_name(const char *name, mode_t mode,
  *        this file.
  *
  * This is the basic "create a file" function for securityfs.  It allows for a
- * wide range of flexibility in createing a file, or a directory (if you
+ * wide range of flexibility in creating a file, or a directory (if you
  * want to create a directory, the securityfs_create_dir() function is
- * recommended to be used instead.)
+ * recommended to be used instead).
  *
- * This function will return a pointer to a dentry if it succeeds.  This
+ * This function returns a pointer to a dentry if it succeeds.  This
  * pointer must be passed to the securityfs_remove() function when the file is
  * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here.)  If an error occurs, NULL will be returned.
+ * you are responsible here).  If an error occurs, the function will return
+ * the erorr value (via ERR_PTR).
  *
- * If securityfs is not enabled in the kernel, the value -ENODEV will be
- * returned.  It is not wise to check for this value, but rather, check for
- * NULL or !NULL instead as to eliminate the need for #ifdef in the calling
- * code.
+ * If securityfs is not enabled in the kernel, the value %-ENODEV is
+ * returned.
  */
 struct dentry *securityfs_create_file(const char *name, mode_t mode,
                                   struct dentry *parent, void *data,
@@ -252,19 +247,19 @@ EXPORT_SYMBOL_GPL(securityfs_create_file);
  * @name: a pointer to a string containing the name of the directory to
  *        create.
  * @parent: a pointer to the parent dentry for this file.  This should be a
- *          directory dentry if set.  If this paramater is NULL, then the
+ *          directory dentry if set.  If this parameter is %NULL, then the
  *          directory will be created in the root of the securityfs filesystem.
  *
- * This function creates a directory in securityfs with the given name.
+ * This function creates a directory in securityfs with the given @name.
  *
- * This function will return a pointer to a dentry if it succeeds.  This
+ * This function returns a pointer to a dentry if it succeeds.  This
  * pointer must be passed to the securityfs_remove() function when the file is
  * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here.)  If an error occurs, NULL will be returned.
+ * you are responsible here).  If an error occurs, %NULL will be returned.
  *
- * If securityfs is not enabled in the kernel, the value -ENODEV will be
+ * If securityfs is not enabled in the kernel, the value %-ENODEV is
  * returned.  It is not wise to check for this value, but rather, check for
- * NULL or !NULL instead as to eliminate the need for #ifdef in the calling
+ * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
  * code.
  */
 struct dentry *securityfs_create_dir(const char *name, struct dentry *parent)
@@ -278,16 +273,15 @@ EXPORT_SYMBOL_GPL(securityfs_create_dir);
 /**
  * securityfs_remove - removes a file or directory from the securityfs filesystem
  *
- * @dentry: a pointer to a the dentry of the file or directory to be
- *          removed.
+ * @dentry: a pointer to a the dentry of the file or directory to be removed.
  *
  * This function removes a file or directory in securityfs that was previously
  * created with a call to another securityfs function (like
  * securityfs_create_file() or variants thereof.)
  *
  * This function is required to be called in order for the file to be
- * removed, no automatic cleanup of files will happen when a module is
- * removed, you are responsible here.
+ * removed. No automatic cleanup of files will happen when a module is
+ * removed; you are responsible here.
  */
 void securityfs_remove(struct dentry *dentry)
 {
@@ -321,13 +315,13 @@ static int __init securityfs_init(void)
 {
        int retval;
 
-       security_kobj = kobject_create_and_add("security", &kernel_kset->kobj);
+       security_kobj = kobject_create_and_add("security", kernel_kobj);
        if (!security_kobj)
                return -EINVAL;
 
        retval = register_filesystem(&fs_type);
        if (retval)
-               kobject_unregister(security_kobj);
+               kobject_put(security_kobj);
        return retval;
 }