diff --git a/drivers/net/bna/bfa_ioc.c b/drivers/net/bna/bfa_ioc.c
index caa45c2185e..73493de98de 100644
--- a/drivers/net/bna/bfa_ioc.c
+++ b/drivers/net/bna/bfa_ioc.c
@@ -1514,7 +1514,7 @@ bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc)
 		return;
 	}
 
-	if ((mc > BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
+	if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
 		return;
 
 	mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);