[RPC]: Kill bogus kmap in krb5

While I was going through the crypto users recently, I noticed this
bogus kmap in sunrpc.  It's totally unnecessary since the crypto
layer will do its own kmap before touching the data.  Besides, the
kmap is throwing the return value away.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 24c21f2a33a7b9bfa53d06de59455f0cca172579..5a7265aeaf839c160ee047d9f319b0763fdefe82 100644 (file)
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -185,9 +185,7 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
                        sg->page = body->pages[i];
                        sg->offset = offset;
                        sg->length = thislen;
-                       kmap(sg->page); /* XXX kmap_atomic? */
                        crypto_digest_update(tfm, sg, 1);
-                       kunmap(sg->page);
                        len -= thislen;
                        i++;
                        offset = 0;