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    Subject[24/48] NFSv4.1: fix backchannel slotid off-by-one bug
    3.1-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Andy Adamson <andros@netapp.com>

    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>

    ---
    fs/nfs/callback_proc.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/fs/nfs/callback_proc.c
    +++ b/fs/nfs/callback_proc.c
    @@ -339,7 +339,7 @@ validate_seqid(struct nfs4_slot_table *t
    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;



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