[PATCH] VFS: memory leak in do_kern_mount()

There is a memory leak during mount when CONFIG_SECURITY is enabled and
mount options are specified.

Signed-off-by: Gerald Schaefer <[e-mail]>
Acked-by: James Morris <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

fs/super.c

···
 	mnt->mnt_parent = mnt;
 	mnt->mnt_namespace = current->namespace;
 	up_write(&sb->s_umount);
+	free_secdata(secdata);
 	put_filesystem(type);
 	return mnt;
 out_sb: