[PATCH Version 4 1/7] NFSv4.1: fix backchannel slotid off-by-one bug

andros
2011-11-09T18:58:59Z

Cc:stable@kernel.org
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 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;
--
1.7.6.4