dm crypt: fix write endio

Fix BIO_UPTODATE test for write io.

Cc: [e-mail]
Cc: [e-mail]
Signed-off-by: Milan Broz <[e-mail]>
Signed-off-by: Alasdair G Kergon <[e-mail]>

drivers/md/dm-crypt.c

···
 	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
 	 */
···
 		goto out;
 	}
 
-	if (unlikely(!bio_flagged(clone, BIO_UPTODATE))) {
-		error = -EIO;
+	if (unlikely(error))
 		goto out;
-	}
 
 	bio_put(clone);
 	kcryptd_queue_crypt(io);