From: Jeff Layton <jlayton@poochiereds.net>
Date: Tue, 9 Jun 2015 23:43:56 +0000 (-0400)
Subject: nfs: increase size of EXCHANGE_ID name string buffer
X-Git-Tag: v3.4.110~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aef2b5342c1c17abbcd068d25ce5c48e6b43a5f8;p=thirdparty%2Fkernel%2Fstable.git

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>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@huawei.com>
---

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 7ba3551a0414a..845b402464138 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1061,7 +1061,7 @@ struct nfstime4 {
 };
 
 #ifdef CONFIG_NFS_V4_1
-#define NFS4_EXCHANGE_ID_LEN	(48)
+#define NFS4_EXCHANGE_ID_LEN	(127)
 struct nfs41_exchange_id_args {
 	struct nfs_client		*client;
 	nfs4_verifier			*verifier;