NFS: Replace nfsroot on-stack filehandle

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index 8c55b27c0de4..6bd19d843af7 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -488,7 +488,6 @@ static int __init root_nfs_ports(void)
  */
 static int __init root_nfs_get_handle(void)
 {
-        struct nfs_fh fh;
         struct sockaddr_in sin;
         unsigned int auth_flav_len = 0;
         struct nfs_mount_request request = {
@@ -499,21 +498,24 @@ static int __init root_nfs_get_handle(void)
                                         NFS_MNT3_VERSION : NFS_MNT_VERSION,
                 .protocol       = (nfs_data.flags & NFS_MOUNT_TCP) ?
                                         XPRT_TRANSPORT_TCP : XPRT_TRANSPORT_UDP,
-                .fh             = &fh,
                 .auth_flav_len  = &auth_flav_len,
         };
-        int status;
+        int status = -ENOMEM;
 
+        request.fh = nfs_alloc_fhandle();
+        if (!request.fh)
+                goto out;
         set_sockaddr(&sin, servaddr, htons(mount_port));
         status = nfs_mount(&request);
         if (status < 0)
                 printk(KERN_ERR "Root-NFS: Server returned error %d "
                                 "while mounting %s\n", status, nfs_export_path);
         else {
-                nfs_data.root.size = fh.size;
-                memcpy(nfs_data.root.data, fh.data, fh.size);
+                nfs_data.root.size = request.fh->size;
+                memcpy(&nfs_data.root.data, request.fh->data, request.fh->size);
         }
-
+        nfs_free_fhandle(request.fh);
+out:
         return status;
 }