commit 2adf52dc4a29682adc4ad03ab2d0c90f0a4579b9
author Linux Build Service Account <lnxbuild@quicinc.com> Wed Oct 18 01:55:54 2017 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Oct 18 01:55:54 2017 -0700
tree 4bd3da20ac3ca8ab5bd0cc18afb4515294c25773
parent 2bec3d27125e5084fdd0a56b615c30099644b50c
parent 362461212649675574c88e15c9d58292989d8df7

Merge "msm: msm_bus: Disallow single node paths"

drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c

diff --git a/drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c b/drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c
index a40efcb..437984c 100644
--- a/drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c
+++ b/drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c
@@ -1294,7 +1294,7 @@
 		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;