The bio is always freed after running crypt_free_buffer_pages(), so it isn't necessary to clear the bv->bv_page. Cc: Mike Snitzer <snitzer@xxxxxxxxxx> Cc:dm-devel@xxxxxxxxxx Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> --- drivers/md/dm-crypt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 9fc12f556534..48332666fc38 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1446,7 +1446,6 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone) bio_for_each_segment_all(bv, clone, i) { BUG_ON(!bv->bv_page); mempool_free(bv->bv_page, cc->page_pool); - bv->bv_page = NULL; } } -- 2.9.5