LSM/SELinux: Interfaces to allow FS to control mount options
[sfrench/cifs-2.6.git] / fs / super.c
index ceaf2e3d594cdd89afabab0253cf1ab59badceba..010446d8c40a03512e4c1a8dc689581a67c5bbf3 100644 (file)
@@ -105,6 +105,7 @@ static inline void destroy_super(struct super_block *s)
 {
        security_sb_free(s);
        kfree(s->s_subtype);
+       kfree(s->s_options);
        kfree(s);
 }
 
@@ -603,6 +604,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
                        mark_files_ro(sb);
                else if (!fs_may_remount_ro(sb))
                        return -EBUSY;
+               DQUOT_OFF(sb);
        }
 
        if (sb->s_op->remount_fs) {
@@ -868,12 +870,12 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void
        if (!mnt)
                goto out;
 
-       if (data) {
+       if (data && !(type->fs_flags & FS_BINARY_MOUNTDATA)) {
                secdata = alloc_secdata();
                if (!secdata)
                        goto out_mnt;
 
-               error = security_sb_copy_data(type, data, secdata);
+               error = security_sb_copy_data(data, secdata);
                if (error)
                        goto out_free_secdata;
        }