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-rw-r--r--security/dummy.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/security/dummy.c b/security/dummy.c
index 3ccfbbe973b6..a3b29d0d00e5 100644
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -245,6 +245,29 @@ static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata
return;
}
+static int dummy_sb_get_mnt_opts(const struct super_block *sb, char ***mount_options,
+ int **flags, int *num_opts)
+{
+ *mount_options = NULL;
+ *flags = NULL;
+ *num_opts = 0;
+ return 0;
+}
+
+static int dummy_sb_set_mnt_opts(struct super_block *sb, char **mount_options,
+ int *flags, int num_opts)
+{
+ if (unlikely(num_opts))
+ return -EOPNOTSUPP;
+ return 0;
+}
+
+static void dummy_sb_clone_mnt_opts(const struct super_block *oldsb,
+ struct super_block *newsb)
+{
+ return;
+}
+
static int dummy_inode_alloc_security (struct inode *inode)
{
return 0;
@@ -998,6 +1021,9 @@ void security_fixup_ops (struct security_operations *ops)
set_to_dummy_if_null(ops, sb_post_addmount);
set_to_dummy_if_null(ops, sb_pivotroot);
set_to_dummy_if_null(ops, sb_post_pivotroot);
+ set_to_dummy_if_null(ops, sb_get_mnt_opts);
+ set_to_dummy_if_null(ops, sb_set_mnt_opts);
+ set_to_dummy_if_null(ops, sb_clone_mnt_opts);
set_to_dummy_if_null(ops, inode_alloc_security);
set_to_dummy_if_null(ops, inode_free_security);
set_to_dummy_if_null(ops, inode_init_security);