[PATCH] reiserfs endianness: fix endianness bugs

fixes for a couple of bugs exposed by the above: le32_to_cpu() used on 16bit
value and missing conversion in comparison of host- and little-endian values.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Cc: <reiserfs-dev@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index b16d65a..3072cfd 100644 (file)
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2391,7 +2391,7 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
      jh = (struct reiserfs_journal_header *)(bhjh->b_data);
      
      /* make sure that journal matches to the super block */
-     if (is_reiserfs_jr(rs) && (jh->jh_journal.jp_journal_magic != sb_jp_journal_magic(rs))) {
+     if (is_reiserfs_jr(rs) && (le32_to_cpu(jh->jh_journal.jp_journal_magic) != sb_jp_journal_magic(rs))) {
         reiserfs_warning (p_s_sb, "sh-460: journal header magic %x "
                           "(device %s) does not match to magic found in super "
                           "block %x",

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index cc39c53..2f7a34d 100644 (file)
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -225,7 +225,7 @@ struct reiserfs_super_block
 #define SB_ONDISK_JOURNAL_DEVICE(s) \
          le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_dev))
 #define SB_ONDISK_RESERVED_FOR_JOURNAL(s) \
-         le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_reserved_for_journal))
+         le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_reserved_for_journal))
 
 #define is_block_in_log_or_reserved_area(s, block) \
          block >= SB_JOURNAL_1st_RESERVED_BLOCK(s) \