From: Mikulas Patocka Date: Mon, 29 Apr 2019 12:57:17 +0000 (+0200) Subject: dm integrity: don't check null pointer before kvfree and vfree X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=97abfde17ae011525755f50242ed447ecebdbab5;p=linux.git dm integrity: don't check null pointer before kvfree and vfree The functions kfree, vfree and kvfree do nothing if we pass a NULL pointer to them. So we don't need to test the pointer for NULL. Signed-off-by: Mikulas Patocka Signed-off-by: Mike Snitzer --- diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 7848ef0198804..1e73422c04bcb 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3548,10 +3548,8 @@ static void dm_integrity_dtr(struct dm_target *ti) destroy_workqueue(ic->writer_wq); if (ic->recalc_wq) destroy_workqueue(ic->recalc_wq); - if (ic->recalc_buffer) - vfree(ic->recalc_buffer); - if (ic->recalc_tags) - kvfree(ic->recalc_tags); + vfree(ic->recalc_buffer); + kvfree(ic->recalc_tags); if (ic->bufio) dm_bufio_client_destroy(ic->bufio); mempool_exit(&ic->journal_io_mempool);