NFS: Ensure NFSv2/v3 mounts respect the NFS_MOUNT_SECFLAVOUR flag

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

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 867b5dc..97cfb14 100644 (file)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -471,12 +471,14 @@ static int nfs_validate_mount_data(struct nfs_mount_data *data,
                                                data->version);
                                return -EINVAL;
                        }
-                       /* Fill in pseudoflavor for mount version < 5 */
-                       data->pseudoflavor = RPC_AUTH_UNIX;
                case 5:
                        memset(data->context, 0, sizeof(data->context));
        }
 
+       /* Set the pseudoflavor */
+       if (!(data->flags & NFS_MOUNT_SECFLAVOUR))
+               data->pseudoflavor = RPC_AUTH_UNIX;
+
 #ifndef CONFIG_NFS_V3
        /* If NFSv3 is not compiled in, return -EPROTONOSUPPORT */
        if (data->flags & NFS_MOUNT_VER3) {