super.c::parse_ntfs_boot_sector(): Correct the check for 64-bit clusters (Philipp Thomas)

fs/ntfs/ChangeLog

@@ -20,6 +20,11 @@ ToDo:
 	  sufficient for synchronisation here. We then just need to make sure
 	  ntfs_readpage/writepage/truncate interoperate properly with us.
 
+2.1.3 - WIP.
+
+	- super.c::parse_ntfs_boot_sector(): Correct the check for 64-bit
+	  clusters. (Philipp Thomas)
+
 2.1.2 - Important bug fixes aleviating the hangs in statfs.
 
 	- Fix buggy free cluster and free inode determination logic.

fs/ntfs/super.c

@@ -619,9 +619,8 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b)
 	 * the same as it is much faster on 32-bit CPUs.
 	 */
 	ll = sle64_to_cpu(b->number_of_sectors) >> sectors_per_cluster_bits;
-	if ((u64)ll >= 1ULL << (sizeof(unsigned long) * 8)) {
-		ntfs_error(vol->sb, "Cannot handle %i-bit clusters. Sorry.",
-				sizeof(unsigned long) * 4);
+	if ((u64)ll >= 1ULL << 32)) {
+		ntfs_error(vol->sb, "Cannot handle 64-bit clusters. Sorry.");
 		return FALSE;
 	}
 	vol->nr_clusters = ll;