[PATCH] Fix HFS+ wrapper recognition issue

[Programmingkid]

This patch fixes a problem with recognizing wrapped HFS+ volumes. This patch will eliminate the problem of seeing the file Where_have_all_my_files_gone? when listing the contents of a volume.

signed-off-by: John Arbuckle

Index: trunk/openbios-devel/fs/hfsplus/hfsp_volume.c
===================================================================
--- trunk/openbios-devel/fs/hfsplus/hfsp_volume.c	(revision 1075)
+++ trunk/openbios-devel/fs/hfsplus/hfsp_volume.c	(working copy)
@@ -305,13 +305,14 @@
 {
    UInt16 *vol;
    int ret = 0;
+	#define wrapper_offset 0x3e

vol = (UInt16 *)malloc(2 * 1 << HFSP_BLOCKSZ_BITS);
    os_seek_offset( fd, 2 * (1 << HFSP_BLOCKSZ_BITS) + offset );
    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[wrapper_offset]) == HFSP_VOLHEAD_SIG) {
    	ret = -1;
    } else if (__be16_to_cpu(vol[0]) == HFSP_VOLHEAD_SIG) {
    	ret = -1;