[v3,4/9] net/hns3: use unsigned integer for bitwise operations

Message ID 20211106014306.28799-5-humin29@huawei.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series code optimization for hns3 PMD |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

humin (Q) Nov. 6, 2021, 1:43 a.m. UTC
  From: Huisong Li <lihuisong@huawei.com>

Bitwise operations should be used only with unsigned integer. This patch
modifies some code that does not meet this rule.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
  

Patch

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index c5543c48ef..ddf85a1705 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -2104,7 +2104,7 @@  hns3_check_mq_mode(struct rte_eth_dev *dev)
 	int max_tc = 0;
 	int i;
 
-	if ((rx_mq_mode & RTE_ETH_MQ_RX_VMDQ_FLAG) ||
+	if (((uint32_t)rx_mq_mode & RTE_ETH_MQ_RX_VMDQ_FLAG) ||
 	    (tx_mq_mode == RTE_ETH_MQ_TX_VMDQ_DCB ||
 	     tx_mq_mode == RTE_ETH_MQ_TX_VMDQ_ONLY)) {
 		hns3_err(hw, "VMDQ is not supported, rx_mq_mode = %d, tx_mq_mode = %d.",
@@ -2114,7 +2114,7 @@  hns3_check_mq_mode(struct rte_eth_dev *dev)
 
 	dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
 	dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
-	if (rx_mq_mode & RTE_ETH_MQ_RX_DCB_FLAG) {
+	if ((uint32_t)rx_mq_mode & RTE_ETH_MQ_RX_DCB_FLAG) {
 		if (dcb_rx_conf->nb_tcs > pf->tc_max) {
 			hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
 				 dcb_rx_conf->nb_tcs, pf->tc_max);