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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2008-02-14 00:03:33 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-14 01:21:20 +0100 |
| commit | cba44359d15ac7a3bca2c9199b7ff403d7edc69e (patch) | |
| tree | 1b6cad898e24a4f4409e478a9a7f538125f9407d | |
| parent | udf: fix directory offset handling (diff) | |
| download | linux-cba44359d15ac7a3bca2c9199b7ff403d7edc69e.tar.xz linux-cba44359d15ac7a3bca2c9199b7ff403d7edc69e.zip | |
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 <marcin.slusarz@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | 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 d721a1af1972..f855dcbbdfb8 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; |