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| author | Ashish Sangwan <ashishsangwan2@gmail.com> | 2012-07-21 16:35:17 +0530 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2012-08-15 00:22:56 +0200 |
| commit | dc141a402b9dc03a4188cd978a4cf149c397172c (patch) | |
| tree | acd14c58793a094e3b9253b285c26a7f0e749e63 | |
| parent | bb2b6d19ec8b593b66402e2895c4314955b19833 (diff) | |
| download | lwn-dc141a402b9dc03a4188cd978a4cf149c397172c.tar.gz lwn-dc141a402b9dc03a4188cd978a4cf149c397172c.zip | |
UDF: During mount free lvid_bh before rescanning with different blocksize
If s_lvid_bh is not freed and set to NULL before re-scanning partition
with default block size, we might end up using wrong lvid in case
s_lvid_bh is not updated in udf_load_logicalvolint during rescan.
Signed-off-by: Ashish Sangwan <ashish.sangwan2@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | fs/udf/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index dcbf98722afc..9f55f7981b7d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -2000,6 +2000,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (!silent) pr_notice("Rescanning with blocksize %d\n", UDF_DEFAULT_BLOCKSIZE); + brelse(sbi->s_lvid_bh); + sbi->s_lvid_bh = NULL; uopt.blocksize = UDF_DEFAULT_BLOCKSIZE; ret = udf_load_vrs(sb, &uopt, silent, &fileset); } |