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From: andros@netapp.com
To: trond.myklebust@netapp.com
Cc: linux-nfs@vger.kernel.org,
	Andy Adamson <andros@fedora-64.andros.fake>,
	Andy Adamson <andros@netapp.com>
Subject: [PATCH Version 2 3/3] NFSv4.1: fix backchennel bug
Date: Tue, 18 Oct 2011 02:33:07 -0400	[thread overview]
Message-ID: <1318919587-2642-3-git-send-email-andros@netapp.com> (raw)
In-Reply-To: <1318919587-2642-1-git-send-email-andros@netapp.com>

From: Andy Adamson <andros@fedora-64.andros.fake>

Slotid's start from 0 which means we check against
NFS41_BC_MAX_CALLBACKS - 1.

Signed-off-by: Andy Adamson <andros@netapp.com>
---
 fs/nfs/callback_proc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 98ff5fc..12bd9d0 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 - 1)
 		return htonl(NFS4ERR_BADSLOT);
 
 	slot = nfs4_lookup_slot_locked(tbl, args->csa_slotid);
-- 
1.7.5.1


      parent reply	other threads:[~2011-11-04 14:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-18  6:33 [PATCH Version 2 1/3] NFSv4.1: dynamic session slots andros
2011-10-18  6:33 ` [PATCH Version 2 2/3] NFSv4.1: rename nfs4_free_slot and nfs4_find_slot andros
2011-10-18  6:33 ` andros [this message]

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