From: Andy Adamson <andros@netapp.com>
Date: Wed, 9 Nov 2011 18:58:20 +0000 (-0500)
Subject: NFSv4.1: fix backchannel slotid off-by-one bug
X-Git-Tag: v3.2.2~107
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf3781f0c3addd8d6419d487f204e94e4d0701a8;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

NFSv4.1: fix backchannel slotid off-by-one bug

commit 61f2e5106582d02f30b6807e3f9c07463c572ccb upstream.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 43926ad..54cea8a 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -339,7 +339,7 @@ validate_seqid(struct nfs4_slot_table *tbl, struct cb_sequenceargs * args)
 	dprintk("%s enter. slotid %d seqid %d\n",
 		__func__, args->csa_slotid, args->csa_sequenceid);
 
-	if (args->csa_slotid > NFS41_BC_MAX_CALLBACKS)
+	if (args->csa_slotid >= NFS41_BC_MAX_CALLBACKS)
 		return htonl(NFS4ERR_BADSLOT);
 
 	slot = tbl->slots + args->csa_slotid;