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From: dapengx.yu@intel.com
To: Qiming Yang <qiming.yang@intel.com>, Qi Zhang <qi.z.zhang@intel.com>
Cc: dev@dpdk.org, Dapeng Yu <dapengx.yu@intel.com>, stable@dpdk.org
Subject: [dpdk-stable] [PATCH] net/ice: fix deadlock on flow redirect
Date: Mon, 11 Oct 2021 15:38:49 +0800
Message-ID: <20211011073850.378080-1-dapengx.yu@intel.com> (raw)

From: Dapeng Yu <dapengx.yu@intel.com>

If flow redirect failed, the spinlock will not be unlocked.
This patch fixes it.

Fixes: bc9201388d56 ("net/ice: support flow redirect")
Cc: stable@dpdk.org

Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
---
 drivers/net/ice/ice_generic_flow.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ice/ice_generic_flow.c b/drivers/net/ice/ice_generic_flow.c
index 3e6ed7005b..02f854666a 100644
--- a/drivers/net/ice/ice_generic_flow.c
+++ b/drivers/net/ice/ice_generic_flow.c
@@ -2542,7 +2542,7 @@ ice_flow_redirect(struct ice_adapter *ad,
 	struct ice_pf *pf = &ad->pf;
 	struct rte_flow *p_flow;
 	void *temp;
-	int ret;
+	int ret = 0;
 
 	rte_spinlock_lock(&pf->flow_ops_lock);
 
@@ -2552,11 +2552,11 @@ ice_flow_redirect(struct ice_adapter *ad,
 		ret = p_flow->engine->redirect(ad, p_flow, rd);
 		if (ret) {
 			PMD_DRV_LOG(ERR, "Failed to redirect flows");
-			return ret;
+			break;
 		}
 	}
 
 	rte_spinlock_unlock(&pf->flow_ops_lock);
 
-	return 0;
+	return ret;
 }
-- 
2.27.0


             reply	other threads:[~2021-10-11  7:39 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-11  7:38 dapengx.yu [this message]
2021-10-13 10:51 ` Zhang, Qi Z

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