nilfs2: super block operations fix endian bug

This adds a missing endian conversion of checksum field in the super
block.  This fixes compatibility issue on big endian machines which will
come to surface after supporting recovery of super block.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index d0639a6aae9e..b7519c327ba7 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -287,9 +287,9 @@ int nilfs_commit_super(struct nilfs_sb_info *sbi)
         sbp->s_free_blocks_count = cpu_to_le64(nfreeblocks);
         sbp->s_wtime = cpu_to_le64(get_seconds());
         sbp->s_sum = 0;
-        sbp->s_sum = crc32_le(nilfs->ns_crc_seed, (unsigned char *)sbp,
-                              le16_to_cpu(sbp->s_bytes));
-
+        sbp->s_sum = cpu_to_le32(crc32_le(nilfs->ns_crc_seed,
+                                          (unsigned char *)sbp,
+                                          le16_to_cpu(sbp->s_bytes)));
         sbi->s_super->s_dirt = 0;
         return nilfs_sync_super(sbi);
 }