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-rw-r--r--fs/nfs/client.c15
-rw-r--r--fs/nfs/super.c6
2 files changed, 15 insertions, 6 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index d038dc5916e5..d30dcbfb6b20 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1346,6 +1346,7 @@ int nfs4_init_client(struct nfs_client *clp,
rpc_authflavor_t authflavour,
int noresvport)
{
+ char buf[INET6_ADDRSTRLEN + 1];
int error;
if (clp->cl_cons_state == NFS_CS_READY) {
@@ -1361,6 +1362,20 @@ int nfs4_init_client(struct nfs_client *clp,
1, noresvport);
if (error < 0)
goto error;
+
+ /* If no clientaddr= option was specified, find a usable cb address */
+ if (ip_addr == NULL) {
+ struct sockaddr_storage cb_addr;
+ struct sockaddr *sap = (struct sockaddr *)&cb_addr;
+
+ error = rpc_localaddr(clp->cl_rpcclient, sap, sizeof(cb_addr));
+ if (error < 0)
+ goto error;
+ error = rpc_ntop(sap, buf, sizeof(buf));
+ if (error < 0)
+ goto error;
+ ip_addr = (const char *)buf;
+ }
strlcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
error = nfs_idmap_new(clp);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 7002be11d99f..3935a371f5a0 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2557,12 +2557,6 @@ static int nfs4_validate_text_mount_data(void *options,
return -EINVAL;
}
- if (args->client_address == NULL) {
- dfprintk(MOUNT,
- "NFS4: mount program didn't pass callback address\n");
- return -EINVAL;
- }
-
return nfs_parse_devname(dev_name,
&args->nfs_server.hostname,
NFS4_MAXNAMLEN,