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Commit 61f2e510 authored by Andy Adamson's avatar Andy Adamson Committed by Trond Myklebust
Browse files

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



Cc:stable@kernel.org
Signed-off-by: default avatarAndy Adamson <andros@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 8a0d551a

fs/nfs/callback_proc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -339,7 +339,7 @@ validate_seqid(struct nfs4_slot_table *tbl, struct cb_sequenceargs * args) 
	dprintk("%s enter. slotid %d seqid %d\n",

	dprintk("%s enter. slotid %d seqid %d\n",

		__func__, args->csa_slotid, args->csa_sequenceid);

		__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);

		return htonl(NFS4ERR_BADSLOT);





	slot = tbl->slots + args->csa_slotid;

	slot = tbl->slots + args->csa_slotid;