The code for checking for a wrapped HFS+ volume looks at the wrong offset.

Index: fs/hfsplus/hfsp_volume.c

===================================================================

--- fs/hfsplus/hfsp_volume.c (revision 1041)

+++ fs/hfsplus/hfsp_volume.c (working copy)

@@ -302,7 +302,7 @@

  os_read(fd, vol, 2, HFSP_BLOCKSZ_BITS);

 

  if (__be16_to_cpu(vol[0]) == HFS_VOLHEAD_SIG &&

- __be16_to_cpu(vol[0x7c]) == HFSP_VOLHEAD_SIG) {

+ __be16_to_cpu(vol[0x3e]) == HFSP_VOLHEAD_SIG) {

  ret = -1;

  } else if (__be16_to_cpu(vol[0]) == HFSP_VOLHEAD_SIG) {

  ret = -1;