On 2015/5/22 11:10, Xue jiufei wrote: > Function ocfs2_abort_trigger() use bh->b_assoc_map to get sb. > But there's no function to set bh->b_assoc_map in ocfs2, it > will trigger NULL pointer dereference while calling this > function. We can get sb from bh->b_bdev->bd_super instead of > b_assoc_map. > > Signed-off-by: joyce.xue <xuejiu...@huawei.com> > --- > fs/ocfs2/journal.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c > index ff53192..11cb383 100644 > --- a/fs/ocfs2/journal.c > +++ b/fs/ocfs2/journal.c > @@ -573,7 +573,7 @@ static void ocfs2_abort_trigger(struct > jbd2_buffer_trigger_type *triggers, > > /* We aren't guaranteed to have the superblock here - but if we > * don't, it'll just crash. */ Should we delete this comments correspondingly?
> - ocfs2_error(bh->b_assoc_map->host->i_sb, > + ocfs2_error(bh->b_bdev->bd_super, > "JBD2 has aborted our journal, ocfs2 cannot continue\n"); > } > > _______________________________________________ Ocfs2-devel mailing list Ocfs2-devel@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-devel
