diff -ruN linux/fs/ext2/super.c linux2/fs/ext2/super.c
--- linux/fs/ext2/super.c	Tue Mar 12 19:59:57 2002
+++ linux2/fs/ext2/super.c	Tue Mar 12 20:03:16 2002
@@ -469,6 +469,7 @@
 	if (!sbi)
 		return -ENOMEM;
 	sb->u.generic_sbp = sbi;
+	memset(sbi, 0, sizeof(struct ext2_super_block));
 
 	/*
 	 * See what the current blocksize for the device is, and
diff -ruN linux/fs/ncpfs/inode.c linux2/fs/ncpfs/inode.c
--- linux/fs/ncpfs/inode.c	Tue Mar 12 19:59:51 2002
+++ linux2/fs/ncpfs/inode.c	Tue Mar 12 20:04:09 2002
@@ -319,6 +319,8 @@
 	if (!server)
 		return -ENOMEM;
 	sb->u.generic_sbp = server;
+	memset(server, 0, sizeof(struct ncp_server));
+
 	error = -EFAULT;
 	if (raw_data == NULL)
 		goto out;