security: remove dead hook sb_post_addmount

Unused hook.  Remove.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

4 files changed, 0 insertions, 25 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index f87f56e348fd..7a0c9ce62bed 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1436,8 +1436,6 @@ static int graft_tree(struct vfsmount *mnt, struct path *path)
                 err = attach_recursive_mnt(mnt, path, NULL);
 out_unlock:
         mutex_unlock(&path->dentry->d_inode->i_mutex);
-        if (!err)
-                security_sb_post_addmount(mnt, path);
         return err;
 }
 
diff --git a/include/linux/security.h b/include/linux/security.h
index 338617a50fa3..a42d733086a1 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -272,12 +272,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @mnt contains the mounted file system.
  *      @flags contains the unmount flags, e.g. MNT_FORCE.
  *      Return 0 if permission is granted.
- * @sb_post_addmount:
- *      Update the security module's state when a filesystem is mounted.
- *      This hook is called any time a mount is successfully grafetd to
- *      the tree.
- *      @mnt contains the mounted filesystem.
- *      @mountpoint contains the path for the mount point.
  * @sb_pivotroot:
  *      Check permission before pivoting the root filesystem.
  *      @old_path contains the path for the new location of the current root (put_old).
@@ -1462,8 +1456,6 @@ struct security_operations {
         int (*sb_mount) (char *dev_name, struct path *path,
                          char *type, unsigned long flags, void *data);
         int (*sb_umount) (struct vfsmount *mnt, int flags);
-        void (*sb_post_addmount) (struct vfsmount *mnt,
-                                  struct path *mountpoint);
         int (*sb_pivotroot) (struct path *old_path,
                              struct path *new_path);
         void (*sb_post_pivotroot) (struct path *old_path,
@@ -1756,7 +1748,6 @@ int security_sb_statfs(struct dentry *dentry);
 int security_sb_mount(char *dev_name, struct path *path,
                       char *type, unsigned long flags, void *data);
 int security_sb_umount(struct vfsmount *mnt, int flags);
-void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint);
 int security_sb_pivotroot(struct path *old_path, struct path *new_path);
 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path);
 int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts);
@@ -2072,10 +2063,6 @@ static inline int security_sb_umount(struct vfsmount *mnt, int flags)
         return 0;
 }
 
-static inline void security_sb_post_addmount(struct vfsmount *mnt,
-                                             struct path *mountpoint)
-{ }
-
 static inline int security_sb_pivotroot(struct path *old_path,
                                         struct path *new_path)
 {
diff --git a/security/capability.c b/security/capability.c
index 26fc92caa339..38752ddf69d7 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -85,10 +85,6 @@ static int cap_sb_umount(struct vfsmount *mnt, int flags)
         return 0;
 }
 
-static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path)
-{
-}
-
 static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
 {
         return 0;
@@ -924,7 +920,6 @@ void security_fixup_ops(struct security_operations *ops)
         set_to_cap_if_null(ops, sb_statfs);
         set_to_cap_if_null(ops, sb_mount);
         set_to_cap_if_null(ops, sb_umount);
-        set_to_cap_if_null(ops, sb_post_addmount);
         set_to_cap_if_null(ops, sb_pivotroot);
         set_to_cap_if_null(ops, sb_post_pivotroot);
         set_to_cap_if_null(ops, sb_set_mnt_opts);
diff --git a/security/security.c b/security/security.c
index d9538d98736b..6a8e5411d7a0 100644
--- a/security/security.c
+++ b/security/security.c
@@ -311,11 +311,6 @@ int security_sb_umount(struct vfsmount *mnt, int flags)
         return security_ops->sb_umount(mnt, flags);
 }
 
-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);