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-rw-r--r--fs/jbd/transaction.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index ff75afe9b18..508b2ea91f4 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -227,7 +227,8 @@ repeat_locked:
spin_unlock(&transaction->t_handle_lock);
spin_unlock(&journal->j_state_lock);
out:
- kfree(new_transaction);
+ if (unlikely(new_transaction)) /* It's usually NULL */
+ kfree(new_transaction);
return ret;
}
@@ -724,7 +725,8 @@ done:
journal_cancel_revoke(handle, jh);
out:
- kfree(frozen_buffer);
+ if (unlikely(frozen_buffer)) /* It's usually NULL */
+ kfree(frozen_buffer);
JBUFFER_TRACE(jh, "exit");
return error;
@@ -903,7 +905,8 @@ repeat:
jbd_unlock_bh_state(bh);
out:
journal_put_journal_head(jh);
- kfree(committed_data);
+ if (unlikely(committed_data))
+ kfree(committed_data);
return err;
}