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 <[email protected]> Signed-off-by: Mike Snitzer <[email protected]>
jbg · May 7, 2019 · 97abfde · 97abfde
1 parent 30bba43
commit 97abfde
Showing 1 changed file with 2 additions and 4 deletions.
diff --git 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);