udf: truncate: create function for updating of Allocation Ext Descriptor

[linux-2.6] / fs / udf / balloc.c

diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index d721a1af19721fc0202ba9985b1278a04871b039..f855dcbbdfb854e1704566ae0cebd187c656c45f 100644 (file)
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -145,7 +145,7 @@ static bool udf_add_free_space(struct udf_sb_info *sbi,
 {
        struct logicalVolIntegrityDesc *lvid;
 
-       if (sbi->s_lvid_bh)
+       if (sbi->s_lvid_bh == NULL)
                return false;
 
        lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;