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author | Duoming Zhou <duoming@zju.edu.cn> | 2024-03-08 17:25:40 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-12 01:54:01 +0300 |
commit | 84e95149bd341705f0eca6a7fcb955c548805002 (patch) | |
tree | 72c9f7385b67c3d49f3c1ed5486fd53851f01803 /drivers/cpuidle/poll_state.c | |
parent | 46590b545df636aea0f9f7f2100d9963c0af5824 (diff) | |
download | linux-84e95149bd341705f0eca6a7fcb955c548805002.tar.xz |
nfp: flower: handle acti_netdevs allocation failure
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: bb9a8d031140 ("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>
Diffstat (limited to 'drivers/cpuidle/poll_state.c')
0 files changed, 0 insertions, 0 deletions