[dpdk-stable] [PATCH] net/ice: fix deadlock on flow redirect

[dapengx.yu@intel.com]

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