sunrpc: remove "ec" argument from encrypt_v2 operation

It's always 0.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

3 files changed, 5 insertions, 10 deletions

diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index 5af2931cf58d..df02a4188487 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -81,7 +81,7 @@ struct gss_krb5_enctype {
                        struct xdr_netobj *in,
                        struct xdr_netobj *out); /* complete key generation */
         u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
-                           struct xdr_buf *buf, int ec,
+                           struct xdr_buf *buf,
                            struct page **pages); /* v2 encryption function */
         u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
                            struct xdr_buf *buf, u32 *headskip,
@@ -310,7 +310,7 @@ gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e,
 
 u32
 gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
-                     struct xdr_buf *buf, int ec,
+                     struct xdr_buf *buf,
                      struct page **pages);
 
 u32
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 0f43e894bc0a..f5ed9f6ece06 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -641,7 +641,7 @@ out:
 
 u32
 gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
-                     struct xdr_buf *buf, int ec, struct page **pages)
+                     struct xdr_buf *buf, struct page **pages)
 {
         u32 err;
         struct xdr_netobj hmac;
@@ -684,13 +684,8 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
                 ecptr = buf->tail[0].iov_base;
         }
 
-        memset(ecptr, 'X', ec);
-        buf->tail[0].iov_len += ec;
-        buf->len += ec;
-
         /* copy plaintext gss token header after filler (if any) */
-        memcpy(ecptr + ec, buf->head[0].iov_base + offset,
-                                                GSS_KRB5_TOK_HDR_LEN);
+        memcpy(ecptr, buf->head[0].iov_base + offset, GSS_KRB5_TOK_HDR_LEN);
         buf->tail[0].iov_len += GSS_KRB5_TOK_HDR_LEN;
         buf->len += GSS_KRB5_TOK_HDR_LEN;
 
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 88cd24aacddc..4b614c604fe0 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -483,7 +483,7 @@ gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset,
         *be64ptr = cpu_to_be64(kctx->seq_send64++);
         spin_unlock(&krb5_seq_lock);
 
-        err = (*kctx->gk5e->encrypt_v2)(kctx, offset, buf, 0, pages);
+        err = (*kctx->gk5e->encrypt_v2)(kctx, offset, buf, pages);
         if (err)
                 return err;