From adfe47702c4726b3e045f9f83178def02833be4c Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Thu, 13 Dec 2007 14:15:51 +0000
Subject: [PATCH] dm crypt: fix write endio
Fix BIO_UPTODATE test for write io.
Cc: stable@kernel.org
Cc: dm-crypt@saout.de
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
drivers/md/dm-crypt.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 28c6ae095c560d..30d51a0c01161f 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -511,6 +511,9 @@ static void crypt_endio(struct bio *clone, int error)
struct crypt_config *cc = io->target->private;
unsigned read_io = bio_data_dir(clone) == READ;
+ if (unlikely(!bio_flagged(clone, BIO_UPTODATE) && !error))
+ error = -EIO;
+
/*
* free the processed pages
*/
@@ -519,10 +522,8 @@ static void crypt_endio(struct bio *clone, int error)
goto out;
}
- if (unlikely(!bio_flagged(clone, BIO_UPTODATE))) {
- error = -EIO;
+ if (unlikely(error))
goto out;
- }
bio_put(clone);
kcryptd_queue_crypt(io);
--
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