From: Junyu Jiang <junyux.jiang@intel.com>
Date: Wed, 6 May 2020 03:05:25 +0000 (+0000)
Subject: net/ice: fix crash in switch filter
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1f8672be4208e897e0d1004f43dadcac80749f68;p=dpdk.git

net/ice: fix crash in switch filter

The number of queues in queue group should be checked before
using it. This patch fixed the issue.

Fixes: 47d460d63233 ("net/ice: rework switch filter")
Cc: stable@dpdk.org

Signed-off-by: Junyu Jiang <junyux.jiang@intel.com>
Tested-by: Qimai Xiao <qimaix.xiao@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>
---

diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index 72bb22395b..1bea7e807c 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -1297,6 +1297,8 @@ ice_switch_parse_action(struct ice_pf *pf,
 		switch (action_type) {
 		case RTE_FLOW_ACTION_TYPE_RSS:
 			act_qgrop = action->conf;
+			if (act_qgrop->queue_num <= 1)
+				goto error;
 			rule_info->sw_act.fltr_act =
 				ICE_FWD_TO_QGRP;
 			rule_info->sw_act.fwd_id.q_id =