mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-02-23 20:01:47 -05:00
Code Issues Packages Projects Releases Wiki Activity

net: ena: xdp: XDP_TX: fix memory leak

Browse Source 
When sending very high packet rate, the XDP tx queues can get full and
start dropping packets. In this case we don't free the pages which
results in ena driver draining the system memory.

Fix:
Simply free the pages when necessary.

Fixes: 548c4940b9 ("net: ena: Implement XDP_TX action")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sameeh Jubran
2020-06-03 08:50:22 +00:00
committed by David S. Miller
parent bb986a5042
commit cd07ecccba
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/amazon/ena/ena_netdev.c
View File

@@ -355,7 +355,7 @@ static int ena_xdp_xmit_buff(struct net_device *dev,
ena_unmap_tx_buff(xdp_ring, tx_info);
tx_info->xdpf = NULL;
error_drop_packet:
__free_page(tx_info->xdp_rx_page);
return NETDEV_TX_OK;
}