Commit:     cba44359d15ac7a3bca2c9199b7ff403d7edc69e
Parent:     e28d80f18211e5d49e450ba0f07b8fdca6dfb83b
Author:     Marcin Slusarz <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 13 15:03:33 2008 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Feb 13 16:21:20 2008 -0800

    udf: fix udf_add_free_space
    In commit 742ba02a51c8d0bf5446b154531179760c1ed0a2 (udf: create common
    function for changing free space counter) by accident I reversed safety
    condition which lead to null pointer dereference in case of media error and
    wrong counting of free space in normal situation
    Signed-off-by: Marcin Slusarz <[EMAIL PROTECTED]>
    Cc: Jan Kara <[EMAIL PROTECTED]>
    Acked-by: Cyrill Gorcunov <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 fs/udf/balloc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index d721a1a..f855dcb 100644
--- 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;
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