diff options
-rw-r--r-- | fs/nfs/super.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 9c85cdb353aa..f3a95df4b95f 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1338,6 +1338,16 @@ static int nfs_walk_authlist(struct nfs_parsed_mount_data *args, unsigned int i, j, server_authlist_len = *(request->auth_flav_len); /* + * Certain releases of Linux's mountd return an empty + * flavor list. To prevent behavioral regression with + * these servers (ie. rejecting mounts that used to + * succeed), revert to pre-2.6.32 behavior (no checking) + * if the returned flavor list is empty. + */ + if (server_authlist_len == 0) + return 0; + + /* * We avoid sophisticated negotiating here, as there are * plenty of cases where we can get it wrong, providing * either too little or too much security. |