dm crypt: print device name in integrity error message

This message should better identify the DM device with the integrity
failure.

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 3b1a786..3fd8253 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1147,9 +1147,11 @@ static int crypt_convert_block_aead(struct crypt_config *cc,
                r = crypto_aead_decrypt(req);
        }
 
-       if (r == -EBADMSG)
-               DMERR_LIMIT("INTEGRITY AEAD ERROR, sector %llu",
+       if (r == -EBADMSG) {
+               char b[BDEVNAME_SIZE];
+               DMERR_LIMIT("%s: INTEGRITY AEAD ERROR, sector %llu", bio_devname(ctx->bio_in, b),
                            (unsigned long long)le64_to_cpu(*sector));
+       }
 
        if (!r && cc->iv_gen_ops && cc->iv_gen_ops->post)
                r = cc->iv_gen_ops->post(cc, org_iv, dmreq);
@@ -1793,7 +1795,8 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
                error = cc->iv_gen_ops->post(cc, org_iv_of_dmreq(cc, dmreq), dmreq);
 
        if (error == -EBADMSG) {
-               DMERR_LIMIT("INTEGRITY AEAD ERROR, sector %llu",
+               char b[BDEVNAME_SIZE];
+               DMERR_LIMIT("%s: INTEGRITY AEAD ERROR, sector %llu", bio_devname(ctx->bio_in, b),
                            (unsigned long long)le64_to_cpu(*org_sector_of_dmreq(cc, dmreq)));
                io->error = BLK_STS_PROTECTION;
        } else if (error < 0)