msm: msm_bus: Disallow single node paths



Reject clients that attempt to register paths that have the
same source and destination.

Change-Id: Ied94efec2fe20188b11bf67337f04a23b33b2723
Signed-off-by: David Dai <daidavid1@codeaurora.org>

parent c92f19d6

drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1282,7 +1282,7 @@ static uint32_t register_client_adhoc(struct msm_bus_scale_pdata *pdata)
		src = pdata->usecase->vectors[i].src;
		dest = pdata->usecase->vectors[i].dst;

		if ((src < 0) \|\| (dest < 0)) {
		if ((src < 0) \|\| (dest < 0) \|\| (src == dest)) {
		MSM_BUS_ERR("%s:Invalid src/dst.src %d dest %d",
		__func__, src, dest);
		goto exit_invalid_data;