ext4: remove unused code from ext4_find_entry()

The unused code found in ext3_find_entry() is also present (and still
unused) in the ext4_find_entry() code. This patch removes it.
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

fs/ext4/namei.c

@@ -861,14 +861,10 @@ static struct buffer_head * ext4_find_entry (struct dentry *dentry,
 	int i, err;
 	struct inode *dir = dentry->d_parent->d_inode;
 	int namelen;
-	const u8 *name;
-	unsigned blocksize;
 
 	*res_dir = NULL;
 	sb = dir->i_sb;
-	blocksize = sb->s_blocksize;
 	namelen = dentry->d_name.len;
-	name = dentry->d_name.name;
 	if (namelen > EXT4_NAME_LEN)
 		return NULL;
 	if (is_dx(dir)) {