security: remove dead hook sb_post_pivotroot

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

diff --git a/security/security.c b/security/security.c
index f2d8aa9..5223fa4 100644 (file)
--- a/security/security.c
+++ b/security/security.c
@@ -23,10 +23,12 @@ static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
        CONFIG_DEFAULT_SECURITY;
 
 /* things that live in capability.c */
-extern struct security_operations default_security_ops;
 extern void security_fixup_ops(struct security_operations *ops);
 
-struct security_operations *security_ops;      /* Initialized to NULL */
+static struct security_operations *security_ops;
+static struct security_operations default_security_ops = {
+       .name   = "default",
+};
 
 static inline int verify(struct security_operations *ops)
 {
@@ -63,6 +65,11 @@ int __init security_init(void)
        return 0;
 }
 
+void reset_security_ops(void)
+{
+       security_ops = &default_security_ops;
+}
+
 /* Save user chosen LSM */
 static int __init choose_lsm(char *str)
 {
@@ -110,7 +117,7 @@ int __init security_module_enable(struct security_operations *ops)
  * If there is already a security module registered with the kernel,
  * an error will be returned.  Otherwise %0 is returned on success.
  */
-int register_security(struct security_operations *ops)
+int __init register_security(struct security_operations *ops)
 {
        if (verify(ops)) {
                printk(KERN_DEBUG "%s could not verify "
@@ -203,9 +210,9 @@ int security_quota_on(struct dentry *dentry)
        return security_ops->quota_on(dentry);
 }
 
-int security_syslog(int type)
+int security_syslog(int type, bool from_file)
 {
-       return security_ops->syslog(type);
+       return security_ops->syslog(type, from_file);
 }
 
 int security_settime(struct timespec *ts, struct timezone *tz)
@@ -299,46 +306,16 @@ int security_sb_mount(char *dev_name, struct path *path,
        return security_ops->sb_mount(dev_name, path, type, flags, data);
 }
 
-int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
-{
-       return security_ops->sb_check_sb(mnt, path);
-}
-
 int security_sb_umount(struct vfsmount *mnt, int flags)
 {
        return security_ops->sb_umount(mnt, flags);
 }
 
-void security_sb_umount_close(struct vfsmount *mnt)
-{
-       security_ops->sb_umount_close(mnt);
-}
-
-void security_sb_umount_busy(struct vfsmount *mnt)
-{
-       security_ops->sb_umount_busy(mnt);
-}
-
-void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
-{
-       security_ops->sb_post_remount(mnt, flags, data);
-}
-
-void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
-{
-       security_ops->sb_post_addmount(mnt, mountpoint);
-}
-
 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
 {
        return security_ops->sb_pivotroot(old_path, new_path);
 }
 
-void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
-{
-       security_ops->sb_post_pivotroot(old_path, new_path);
-}
-
 int security_sb_set_mnt_opts(struct super_block *sb,
                                struct security_mnt_opts *opts)
 {
@@ -630,14 +607,14 @@ int security_inode_killpriv(struct dentry *dentry)
 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
 {
        if (unlikely(IS_PRIVATE(inode)))
-               return 0;
+               return -EOPNOTSUPP;
        return security_ops->inode_getsecurity(inode, name, buffer, alloc);
 }
 
 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 {
        if (unlikely(IS_PRIVATE(inode)))
-               return 0;
+               return -EOPNOTSUPP;
        return security_ops->inode_setsecurity(inode, name, value, size, flags);
 }
 
@@ -666,8 +643,6 @@ int security_file_alloc(struct file *file)
 void security_file_free(struct file *file)
 {
        security_ops->file_free_security(file);
-       if (file->f_dentry)
-               ima_file_free(file);
 }
 
 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)