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jbd2: add miss release buffer head in fc_do_one_pass() 

commit dfff66f30f upstream.

In fc_do_one_pass() miss release buffer head after use which will lead
to reference count leak.

Cc: stable@kernel.org
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220917093805.1782845-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ye Bin 2022-09-17 17:38:05 +08:00 committed by Greg Kroah-Hartman
parent 2e6d9f381c
commit 27c7bd3513
1 changed files with 1 additions and 0 deletions
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fs/jbd2/recovery.c
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@ -256,6 +256,7 @@ static int fc_do_one_pass(journal_t *journal,
err = journal->j_fc_replay_callback(journal, bh, pass,
next_fc_block - journal->j_fc_first,
expected_commit_id);
brelse(bh);
next_fc_block++;
if (err < 0 || err == JBD2_FC_REPLAY_STOP)
break;