[patch -next] bna: off by one in bfa_msgq_rspq_pi_update()
From: Dan Carpenter <hidden>
Date: 2011-08-24 11:32:45
Also in:
kernel-janitors
Subsystem:
brocade bna 10 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Rasesh Mody, Sudarsana Kalluru, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The rspq->rsphdlr[] array has BFI_MC_MAX elements, so this test was off by one. Signed-off-by: Dan Carpenter <redacted>
diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.c b/drivers/net/ethernet/brocade/bna/bfa_msgq.c
index ed52187..dd36427 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_msgq.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.c@@ -483,7 +483,7 @@ bfa_msgq_rspq_pi_update(struct bfa_msgq_rspq *rspq, struct bfi_mbmsg *mb) mc = msghdr->msg_class; num_entries = ntohs(msghdr->num_entries); - if ((mc > BFI_MC_MAX) || (rspq->rsphdlr[mc].cbfn == NULL)) + if ((mc >= BFI_MC_MAX) || (rspq->rsphdlr[mc].cbfn == NULL)) break; (rspq->rsphdlr[mc].cbfn)(rspq->rsphdlr[mc].cbarg, msghdr);