From: Christophe Saout <christophe@saout.de>
Date: Mon, 30 Oct 2006 19:39:08 +0000 (+0100)
Subject: [PATCH] Fix dmsetup table output change
X-Git-Tag: v2.6.19-rc4~19
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37af6560f7978c60791b5f3df17ce8b3e97f2d6e;p=linux-2.6

[PATCH] Fix dmsetup table output change

Fix dm-crypt after the block cipher API changes to correctly return the
backwards compatible cipher-chainmode[-ivmode] format for "dmsetup
table".

Signed-off-by: Christophe Saout <christophe@saout.de>
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff linux-2.6.19-rc3.orig/drivers/md/dm-crypt.c linux-2.6.19-rc3/drivers/md/dm-crypt.c
---

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index a625576fde..08a40f4e4f 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -915,8 +915,6 @@ static int crypt_status(struct dm_target *ti, status_type_t type,
 			char *result, unsigned int maxlen)
 {
 	struct crypt_config *cc = (struct crypt_config *) ti->private;
-	const char *cipher;
-	const char *chainmode = NULL;
 	unsigned int sz = 0;
 
 	switch (type) {
@@ -925,14 +923,11 @@ static int crypt_status(struct dm_target *ti, status_type_t type,
 		break;
 
 	case STATUSTYPE_TABLE:
-		cipher = crypto_blkcipher_name(cc->tfm);
-
-		chainmode = cc->chainmode;
-
 		if (cc->iv_mode)
-			DMEMIT("%s-%s-%s ", cipher, chainmode, cc->iv_mode);
+			DMEMIT("%s-%s-%s ", cc->cipher, cc->chainmode,
+			       cc->iv_mode);
 		else
-			DMEMIT("%s-%s ", cipher, chainmode);
+			DMEMIT("%s-%s ", cc->cipher, cc->chainmode);
 
 		if (cc->key_size > 0) {
 			if ((maxlen - sz) < ((cc->key_size << 1) + 1))