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-rw-r--r--net/sunrpc/auth_gss/gss_krb5_crypto.c34
-rw-r--r--net/sunrpc/auth_gss/gss_spkm3_seal.c2
-rw-r--r--net/sunrpc/xdr.c2
3 files changed, 30 insertions, 8 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 24711be4b2d..91cd8f0d1e1 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -75,7 +75,7 @@ krb5_encrypt(
memcpy(local_iv, iv, crypto_blkcipher_ivsize(tfm));
memcpy(out, in, length);
- sg_set_buf(sg, out, length);
+ sg_init_one(sg, out, length);
ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, length);
out:
@@ -110,7 +110,7 @@ krb5_decrypt(
memcpy(local_iv,iv, crypto_blkcipher_ivsize(tfm));
memcpy(out, in, length);
- sg_set_buf(sg, out, length);
+ sg_init_one(sg, out, length);
ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, length);
out:
@@ -146,7 +146,7 @@ make_checksum(char *cksumname, char *header, int hdrlen, struct xdr_buf *body,
err = crypto_hash_init(&desc);
if (err)
goto out;
- sg_set_buf(sg, header, hdrlen);
+ sg_init_one(sg, header, hdrlen);
err = crypto_hash_update(&desc, sg, hdrlen);
if (err)
goto out;
@@ -188,8 +188,6 @@ encryptor(struct scatterlist *sg, void *data)
/* Worst case is 4 fragments: head, end of page 1, start
* of page 2, tail. Anything more is a bug. */
BUG_ON(desc->fragno > 3);
- desc->infrags[desc->fragno] = *sg;
- desc->outfrags[desc->fragno] = *sg;
page_pos = desc->pos - outbuf->head[0].iov_len;
if (page_pos >= 0 && page_pos < outbuf->page_len) {
@@ -199,7 +197,10 @@ encryptor(struct scatterlist *sg, void *data)
} else {
in_page = sg_page(sg);
}
- sg_assign_page(&desc->infrags[desc->fragno], in_page);
+ sg_set_page(&desc->infrags[desc->fragno], in_page, sg->length,
+ sg->offset);
+ sg_set_page(&desc->outfrags[desc->fragno], sg_page(sg), sg->length,
+ sg->offset);
desc->fragno++;
desc->fraglen += sg->length;
desc->pos += sg->length;
@@ -210,10 +211,17 @@ encryptor(struct scatterlist *sg, void *data)
if (thislen == 0)
return 0;
+ sg_mark_end(desc->infrags, desc->fragno);
+ sg_mark_end(desc->outfrags, desc->fragno);
+
ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags,
desc->infrags, thislen);
if (ret)
return ret;
+
+ sg_init_table(desc->infrags, 4);
+ sg_init_table(desc->outfrags, 4);
+
if (fraglen) {
sg_set_page(&desc->outfrags[0], sg_page(sg), fraglen,
sg->offset + sg->length - fraglen);
@@ -247,6 +255,9 @@ gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf,
desc.fragno = 0;
desc.fraglen = 0;
+ sg_init_table(desc.infrags, 4);
+ sg_init_table(desc.outfrags, 4);
+
ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc);
return ret;
}
@@ -271,7 +282,8 @@ decryptor(struct scatterlist *sg, void *data)
/* Worst case is 4 fragments: head, end of page 1, start
* of page 2, tail. Anything more is a bug. */
BUG_ON(desc->fragno > 3);
- desc->frags[desc->fragno] = *sg;
+ sg_set_page(&desc->frags[desc->fragno], sg_page(sg), sg->length,
+ sg->offset);
desc->fragno++;
desc->fraglen += sg->length;
@@ -281,10 +293,15 @@ decryptor(struct scatterlist *sg, void *data)
if (thislen == 0)
return 0;
+ sg_mark_end(desc->frags, desc->fragno);
+
ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags,
desc->frags, thislen);
if (ret)
return ret;
+
+ sg_init_table(desc->frags, 4);
+
if (fraglen) {
sg_set_page(&desc->frags[0], sg_page(sg), fraglen,
sg->offset + sg->length - fraglen);
@@ -312,6 +329,9 @@ gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf,
desc.desc.flags = 0;
desc.fragno = 0;
desc.fraglen = 0;
+
+ sg_init_table(desc.frags, 4);
+
return xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);
}
diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c
index d158635de6c..abf17ce2e3b 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_seal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c
@@ -173,7 +173,7 @@ make_spkm3_checksum(s32 cksumtype, struct xdr_netobj *key, char *header,
if (err)
goto out;
- sg_set_buf(sg, header, hdrlen);
+ sg_init_one(sg, header, hdrlen);
crypto_hash_update(&desc, sg, sg->length);
xdr_process_buf(body, body_offset, body->len - body_offset,
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index f38dac30481..fdc5e6d7562 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1030,6 +1030,8 @@ xdr_process_buf(struct xdr_buf *buf, unsigned int offset, unsigned int len,
unsigned page_len, thislen, page_offset;
struct scatterlist sg[1];
+ sg_init_table(sg, 1);
+
if (offset >= buf->head[0].iov_len) {
offset -= buf->head[0].iov_len;
} else {