From: "Dr. David Alan Gilbert" <linux@treblig.org>

ceph_crypto_key_encode() was added in 2010's commit
8b6e4f2d8b21 ("ceph: aes crypto and base64 encode/decode helpers")

but has remained unused (the decode is used).

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 net/ceph/crypto.c | 12 ------------
 net/ceph/crypto.h |  1 -
 2 files changed, 13 deletions(-)

diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 051d22c0e4ad..01b2ce1e8fc0 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -74,18 +74,6 @@ int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
 	return set_secret(dst, src->key);
 }
 
-int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end)
-{
-	if (*p + sizeof(u16) + sizeof(key->created) +
-	    sizeof(u16) + key->len > end)
-		return -ERANGE;
-	ceph_encode_16(p, key->type);
-	ceph_encode_copy(p, &key->created, sizeof(key->created));
-	ceph_encode_16(p, key->len);
-	ceph_encode_copy(p, key->key, key->len);
-	return 0;
-}
-
 int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end)
 {
 	int ret;
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index 13bd526349fa..23de29fc613c 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -21,7 +21,6 @@ struct ceph_crypto_key {
 
 int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
 			  const struct ceph_crypto_key *src);
-int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
 int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
 int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
 void ceph_crypto_key_destroy(struct ceph_crypto_key *key);
-- 
2.46.2