[PATCH v1 36/54] dm-crypt: don't clear bvec->bv_page in crypt_free_buffer_pages()
From: Ming Lei <tom.leiming@gmail.com>
Date: 2016-12-27 16:06:35
Also in:
dm-devel, linux-raid, lkml
Subsystem:
device-mapper (lvm), the rest · Maintainers:
Alasdair Kergon, Mike Snitzer, Mikulas Patocka, Benjamin Marzinski, Linus Torvalds
The bio is always freed after running crypt_free_buffer_pages(), so it isn't necessary to clear the bv->bv_page. Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- 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 7c6c57216bf2..593cdf88bf5f 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c@@ -1042,7 +1042,6 @@ 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; } }
--
2.7.4