Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index c7872bc..4a020b6 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* In-kernel rpcbind client supporting versions 2, 3, and 4 of the rpcbind
* protocol
@@ -240,6 +241,7 @@
.program = &rpcb_program,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_NULL,
+ .cred = current_cred(),
/*
* We turn off the idle timeout to prevent the kernel
* from automatically disconnecting the socket.
@@ -299,6 +301,7 @@
.program = &rpcb_program,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_UNIX,
+ .cred = current_cred(),
.flags = RPC_CLNT_CREATE_NOPING,
};
struct rpc_clnt *clnt, *clnt4;
@@ -358,7 +361,8 @@
static struct rpc_clnt *rpcb_create(struct net *net, const char *nodename,
const char *hostname,
struct sockaddr *srvaddr, size_t salen,
- int proto, u32 version)
+ int proto, u32 version,
+ const struct cred *cred)
{
struct rpc_create_args args = {
.net = net,
@@ -370,6 +374,7 @@
.program = &rpcb_program,
.version = version,
.authflavor = RPC_AUTH_UNIX,
+ .cred = cred,
.flags = (RPC_CLNT_CREATE_NOPING |
RPC_CLNT_CREATE_NONPRIVPORT),
};
@@ -694,7 +699,8 @@
/* Put self on the wait queue to ensure we get notified if
* some other task is already attempting to bind the port */
- rpc_sleep_on(&xprt->binding, task, NULL);
+ rpc_sleep_on_timeout(&xprt->binding, task,
+ NULL, jiffies + xprt->bind_timeout);
if (xprt_test_and_set_binding(xprt)) {
dprintk("RPC: %5u %s: waiting for another binder\n",
@@ -744,7 +750,8 @@
rpcb_clnt = rpcb_create(xprt->xprt_net,
clnt->cl_nodename,
xprt->servername, sap, salen,
- xprt->prot, bind_version);
+ xprt->prot, bind_version,
+ clnt->cl_cred);
if (IS_ERR(rpcb_clnt)) {
status = PTR_ERR(rpcb_clnt);
dprintk("RPC: %5u %s: rpcb_create failed, error %ld\n",
@@ -752,7 +759,7 @@
goto bailout_nofree;
}
- map = kzalloc(sizeof(struct rpcbind_args), GFP_ATOMIC);
+ map = kzalloc(sizeof(struct rpcbind_args), GFP_NOFS);
if (!map) {
status = -ENOMEM;
dprintk("RPC: %5u %s: no memory available\n",
@@ -770,7 +777,13 @@
case RPCBVERS_4:
case RPCBVERS_3:
map->r_netid = xprt->address_strings[RPC_DISPLAY_NETID];
- map->r_addr = rpc_sockaddr2uaddr(sap, GFP_ATOMIC);
+ map->r_addr = rpc_sockaddr2uaddr(sap, GFP_NOFS);
+ if (!map->r_addr) {
+ status = -ENOMEM;
+ dprintk("RPC: %5u %s: no memory available\n",
+ task->tk_pid, __func__);
+ goto bailout_free_args;
+ }
map->r_owner = "";
break;
case RPCBVERS_2:
@@ -793,6 +806,8 @@
rpc_put_task(child);
return;
+bailout_free_args:
+ kfree(map);
bailout_release_client:
rpc_release_client(rpcb_clnt);
bailout_nofree: