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(parent: bb986a5) | patch
net: ena: xdp: XDP_TX: fix memory leak
authorSameeh Jubran <sameehj@amazon.com>
Wed, 3 Jun 2020 08:50:22 +0000 (08:50 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 4 Jun 2020 22:43:01 +0000 (15:43 -0700)
commitcd07ecccba13b8bd5023ffe7be57363d07e3105f
tree06fdfec7abba760b49b7f75740e9ddef5b90a697tree | snapshot
parentbb986a50421a11bf31a81afb15b9b8f45a4a3a11commit | diff
net: ena: xdp: XDP_TX: fix memory leak

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: 548c4940b9f1 ("net: ena: Implement XDP_TX action")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/amazon/ena/ena_netdev.c diff | blob | history
Domain: System / Kernel;