Messages in this thread | | | Date | Sun, 12 Aug 2012 13:03:54 +0900 | Subject | Re: [PATCH] UDF: During mount free lvid_bh before rescanning with different blocksize | From | Namjae Jeon <> |
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Hi. Jan.
Would you check this patch also ?
Thanks.
2012/7/21, Ashish Sangwan <ashishsangwan2@gmail.com>: > 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> > > --- > 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 ac8a348..4a95c56 100644 > --- a/fs/udf/super.c > +++ b/fs/udf/super.c > @@ -1961,6 +1961,8 @@ 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); > } > -- > 1.7.2.3 > >
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