Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c
index 4b48228..41a633a 100644
--- a/net/sunrpc/auth_null.c
+++ b/net/sunrpc/auth_null.c
@@ -21,7 +21,7 @@
static struct rpc_auth *
nul_create(const struct rpc_auth_create_args *args, struct rpc_clnt *clnt)
{
- atomic_inc(&null_auth.au_count);
+ refcount_inc(&null_auth.au_count);
return &null_auth;
}
@@ -36,8 +36,6 @@
static struct rpc_cred *
nul_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
- if (flags & RPCAUTH_LOOKUP_RCU)
- return &null_cred;
return get_rpccred(&null_cred);
}
@@ -61,15 +59,21 @@
/*
* Marshal credential.
*/
-static __be32 *
-nul_marshal(struct rpc_task *task, __be32 *p)
+static int
+nul_marshal(struct rpc_task *task, struct xdr_stream *xdr)
{
- *p++ = htonl(RPC_AUTH_NULL);
- *p++ = 0;
- *p++ = htonl(RPC_AUTH_NULL);
- *p++ = 0;
+ __be32 *p;
- return p;
+ p = xdr_reserve_space(xdr, 4 * sizeof(*p));
+ if (!p)
+ return -EMSGSIZE;
+ /* Credential */
+ *p++ = rpc_auth_null;
+ *p++ = xdr_zero;
+ /* Verifier */
+ *p++ = rpc_auth_null;
+ *p = xdr_zero;
+ return 0;
}
/*
@@ -82,25 +86,19 @@
return 0;
}
-static __be32 *
-nul_validate(struct rpc_task *task, __be32 *p)
+static int
+nul_validate(struct rpc_task *task, struct xdr_stream *xdr)
{
- rpc_authflavor_t flavor;
- u32 size;
+ __be32 *p;
- flavor = ntohl(*p++);
- if (flavor != RPC_AUTH_NULL) {
- printk("RPC: bad verf flavor: %u\n", flavor);
- return ERR_PTR(-EIO);
- }
-
- size = ntohl(*p++);
- if (size != 0) {
- printk("RPC: bad verf size: %u\n", size);
- return ERR_PTR(-EIO);
- }
-
- return p;
+ p = xdr_inline_decode(xdr, 2 * sizeof(*p));
+ if (!p)
+ return -EIO;
+ if (*p++ != rpc_auth_null)
+ return -EIO;
+ if (*p != xdr_zero)
+ return -EIO;
+ return 0;
}
const struct rpc_authops authnull_ops = {
@@ -116,21 +114,23 @@
struct rpc_auth null_auth = {
.au_cslack = NUL_CALLSLACK,
.au_rslack = NUL_REPLYSLACK,
- .au_flags = RPCAUTH_AUTH_NO_CRKEY_TIMEOUT,
+ .au_verfsize = NUL_REPLYSLACK,
+ .au_ralign = NUL_REPLYSLACK,
.au_ops = &authnull_ops,
.au_flavor = RPC_AUTH_NULL,
- .au_count = ATOMIC_INIT(0),
+ .au_count = REFCOUNT_INIT(1),
};
static
const struct rpc_credops null_credops = {
.cr_name = "AUTH_NULL",
.crdestroy = nul_destroy_cred,
- .crbind = rpcauth_generic_bind_cred,
.crmatch = nul_match,
.crmarshal = nul_marshal,
+ .crwrap_req = rpcauth_wrap_req_encode,
.crrefresh = nul_refresh,
.crvalidate = nul_validate,
+ .crunwrap_resp = rpcauth_unwrap_resp_decode,
};
static
@@ -138,6 +138,6 @@
.cr_lru = LIST_HEAD_INIT(null_cred.cr_lru),
.cr_auth = &null_auth,
.cr_ops = &null_credops,
- .cr_count = ATOMIC_INIT(1),
+ .cr_count = REFCOUNT_INIT(2),
.cr_flags = 1UL << RPCAUTH_CRED_UPTODATE,
};