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[v2,37/51] dm-crypt: don't clear bvec->bv_page in crypt_free_buffer_pages()

Message ID 20170626121034.3051-38-ming.lei@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ming Lei June 26, 2017, 12:10 p.m. UTC 
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@redhat.com>
Cc:dm-devel@redhat.com
Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 drivers/md/dm-crypt.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index cdf6b1e12460..664ba3504f48 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1450,7 +1450,6 @@  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;
 	}
 }