This is jbd2_journal_begin_ordered_truncate() from fs/jbd2/transaction.c.
I think the "&&" is supposed to be an "||" on line 2144. Just knowing
that inode->i_transaction is NULL should be enough, otherwise we would
immediately dereference a null on line 2146.
2144 if (!inode->i_transaction && !inode->i_next_transaction)
2145 goto out;
2146 journal = inode->i_transaction->t_journal;
regards,
dan carpenter
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