[dpdk-dev] [PATCH v3 07/10] net/bnxt: fix a memory leak in port stop

Ajit Khaparde ajit.khaparde at broadcom.com
Tue Jan 14 06:14:32 CET 2020


From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>

The memory for mark table is allocated during port start.
But the allocated memory is freed only during port close
or driver unload which in turn causes a memory leakage
on each port start/stop.

Fixed it by moving the memory free to port stop.

Fixes: a968a9f5456d ("net/bnxt: add support for flow mark action")

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt_ethdev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 436ecbb84..26614186f 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -970,7 +970,10 @@ static void bnxt_dev_stop_op(struct rte_eth_dev *eth_dev)
 	bnxt_int_handler(eth_dev);
 	bnxt_shutdown_nic(bp);
 	bnxt_hwrm_if_change(bp, 0);
-	memset(bp->mark_table, 0, BNXT_MARK_TABLE_SZ);
+
+	rte_free(bp->mark_table);
+	bp->mark_table = NULL;
+
 	bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
 	bp->dev_stopped = 1;
 	bp->rx_cosq_cnt = 0;
@@ -992,9 +995,6 @@ static void bnxt_dev_close_op(struct rte_eth_dev *eth_dev)
 		bp->grp_info = NULL;
 	}
 
-	rte_free(bp->mark_table);
-	bp->mark_table = NULL;
-
 	bnxt_dev_uninit(eth_dev);
 }
 
-- 
2.21.0 (Apple Git-122.2)



More information about the dev mailing list