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bcachefs: Fix null ptr deref in journal_pins_to_text()

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2024-06-23 12:07:07 -04:00
parent 36da8e387b
commit d6b52f6828
1 changed files with 5 additions and 0 deletions
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5
fs/bcachefs/journal.c
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@@ -1521,6 +1521,11 @@ bool bch2_journal_seq_pins_to_text(struct printbuf *out, struct journal *j, u64
struct journal_entry_pin *pin;
spin_lock(&j->lock);
if (!test_bit(JOURNAL_running, &j->flags)) {
spin_unlock(&j->lock);
return true;
}
*seq = max(*seq, j->pin.front);
if (*seq >= j->pin.back) {