[dpdk-dev] [PATCH] net/iavf: fix tx thresh check issue

Xiaoyun Li xiaoyun.li at intel.com
Thu Jul 22 09:56:20 CEST 2021


Function check_tx_thresh is called with wrong parameter. If the
check fails, tx_queue_setup should return error not keep going.
iThis patch fixes above issues.

Fixes: 69dd4c3d0898 ("net/avf: enable queue and device")
Cc: stable at dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
 drivers/net/iavf/iavf_rxtx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index d61b32fcee..e33fe4576b 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -708,7 +708,8 @@ iavf_dev_tx_queue_setup(struct rte_eth_dev *dev,
 		tx_conf->tx_rs_thresh : DEFAULT_TX_RS_THRESH);
 	tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
 		tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH);
-	check_tx_thresh(nb_desc, tx_rs_thresh, tx_rs_thresh);
+	if (check_tx_thresh(nb_desc, tx_rs_thresh, tx_free_thresh) != 0)
+		return -EINVAL;
 
 	/* Free memory if needed. */
 	if (dev->data->tx_queues[queue_idx]) {
-- 
2.25.1



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