ext4: fix metadata checksum calculation for the superblock

[profile/ivi/kernel-adaptation-intel-automotive.git] / fs / ext4 / ext4_jbd2.c

diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index bfa65b4..b4323ba 100644 (file)
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -143,17 +143,13 @@ int __ext4_handle_dirty_super(const char *where, unsigned int line,
        struct buffer_head *bh = EXT4_SB(sb)->s_sbh;
        int err = 0;
 
+       ext4_superblock_csum_set(sb);
        if (ext4_handle_valid(handle)) {
-               ext4_superblock_csum_set(sb,
-                               (struct ext4_super_block *)bh->b_data);
                err = jbd2_journal_dirty_metadata(handle, bh);
                if (err)
                        ext4_journal_abort_handle(where, line, __func__,
                                                  bh, handle, err);
-       } else {
-               ext4_superblock_csum_set(sb,
-                               (struct ext4_super_block *)bh->b_data);
+       } else
                mark_buffer_dirty(bh);
-       }
        return err;
 }