Merge ../scsi-misc-2.6

[powerpc.git] / net / sunrpc / auth_gss / gss_krb5_crypto.c

diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 3f3d543..76b969e 100644 (file)
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -37,7 +37,7 @@
 #include <linux/types.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <linux/crypto.h>
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
@@ -75,9 +75,7 @@ krb5_encrypt(
                memcpy(local_iv, iv, crypto_tfm_alg_ivsize(tfm));
 
        memcpy(out, in, length);
-       sg[0].page = virt_to_page(out);
-       sg[0].offset = offset_in_page(out);
-       sg[0].length = length;
+       sg_set_buf(sg, out, length);
 
        ret = crypto_cipher_encrypt_iv(tfm, sg, sg, length, local_iv);
 
@@ -117,9 +115,7 @@ krb5_decrypt(
                memcpy(local_iv,iv, crypto_tfm_alg_ivsize(tfm));
 
        memcpy(out, in, length);
-       sg[0].page = virt_to_page(out);
-       sg[0].offset = offset_in_page(out);
-       sg[0].length = length;
+       sg_set_buf(sg, out, length);
 
        ret = crypto_cipher_decrypt_iv(tfm, sg, sg, length, local_iv);
 
@@ -132,13 +128,6 @@ out:
 
 EXPORT_SYMBOL(krb5_decrypt);
 
-static void
-buf_to_sg(struct scatterlist *sg, char *ptr, int len) {
-       sg->page = virt_to_page(ptr);
-       sg->offset = offset_in_page(ptr);
-       sg->length = len;
-}
-
 static int
 process_xdr_buf(struct xdr_buf *buf, int offset, int len,
                int (*actor)(struct scatterlist *, void *), void *data)
@@ -152,7 +141,7 @@ process_xdr_buf(struct xdr_buf *buf, int offset, int len,
                thislen = buf->head[0].iov_len - offset;
                if (thislen > len)
                        thislen = len;
-               buf_to_sg(sg, buf->head[0].iov_base + offset, thislen);
+               sg_set_buf(sg, buf->head[0].iov_base + offset, thislen);
                ret = actor(sg, data);
                if (ret)
                        goto out;
@@ -195,7 +184,7 @@ process_xdr_buf(struct xdr_buf *buf, int offset, int len,
                thislen = buf->tail[0].iov_len - offset;
                if (thislen > len)
                        thislen = len;
-               buf_to_sg(sg, buf->tail[0].iov_base + offset, thislen);
+               sg_set_buf(sg, buf->tail[0].iov_base + offset, thislen);
                ret = actor(sg, data);
                len -= thislen;
        }
@@ -223,7 +212,6 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
        char                            *cksumname;
        struct crypto_tfm               *tfm = NULL; /* XXX add to ctx? */
        struct scatterlist              sg[1];
-       u32                             code = GSS_S_FAILURE;
 
        switch (cksumtype) {
                case CKSUMTYPE_RSA_MD5:
@@ -232,24 +220,20 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
                default:
                        dprintk("RPC:      krb5_make_checksum:"
                                " unsupported checksum %d", cksumtype);
-                       goto out;
+                       return GSS_S_FAILURE;
        }
        if (!(tfm = crypto_alloc_tfm(cksumname, CRYPTO_TFM_REQ_MAY_SLEEP)))
-               goto out;
+               return GSS_S_FAILURE;
        cksum->len = crypto_tfm_alg_digestsize(tfm);
-       if ((cksum->data = kmalloc(cksum->len, GFP_KERNEL)) == NULL)
-               goto out;
 
        crypto_digest_init(tfm);
-       buf_to_sg(sg, header, hdrlen);
+       sg_set_buf(sg, header, hdrlen);
        crypto_digest_update(tfm, sg, 1);
        process_xdr_buf(body, body_offset, body->len - body_offset,
                        checksummer, tfm);
        crypto_digest_final(tfm, cksum->data);
-       code = 0;
-out:
        crypto_free_tfm(tfm);
-       return code;
+       return 0;
 }
 
 EXPORT_SYMBOL(make_checksum);