WSL2-Linux-Kernel/drivers/net/ethernet/netronome
Duoming Zhou 0d387dc503 nfp: flower: handle acti_netdevs allocation failure
[ Upstream commit 84e95149bd341705f0eca6a7fcb955c548805002 ]

The kmalloc_array() in nfp_fl_lag_do_work() will return null, if
the physical memory has run out. As a result, if we dereference
the acti_netdevs, the null pointer dereference bugs will happen.

This patch adds a check to judge whether allocation failure occurs.
If it happens, the delayed work will be rescheduled and try again.

Fixes: bb9a8d0311 ("nfp: flower: monitor and offload LAG groups")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Link: https://lore.kernel.org/r/20240308142540.9674-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:21:23 -04:00
..
nfp nfp: flower: handle acti_netdevs allocation failure 2024-03-26 18:21:23 -04:00
Kconfig nfp: add support for coalesce adaptive feature 2021-07-26 12:21:47 +01:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00