nfs: increase size of EXCHANGE_ID name string buffer

commit 764ad8ba8cd4c6f836fca9378f8c5121aece0842 upstream.

The current buffer is much too small if you have a relatively long
hostname. Bring it up to the size of the one that SETCLIENTID has.

Reported-by: Michael Skralivetsky <michael.skralivetsky@primarydata.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 93ab607..e9e9a8d 100644 (file)
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1142,7 +1142,7 @@ struct nfs41_state_protection {
        struct nfs4_op_map allow;
 };
 
-#define NFS4_EXCHANGE_ID_LEN   (48)
+#define NFS4_EXCHANGE_ID_LEN   (127)
 struct nfs41_exchange_id_args {
        struct nfs_client               *client;
        nfs4_verifier                   *verifier;