netfilter: flowtable: fetch stats only if flow is still alive

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commit 79b9b685dd upstream.

Do not fetch statistics if flow has expired since it might not in
hardware anymore. After this update, remove the FLOW_OFFLOAD_HW_DYING
check from nf_flow_offload_stats() since this flag is never set on.

Fixes: c29f74e0df ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Pablo Neira Ayuso 2020-01-05 22:26:38 +01:00 • committed by Greg Kroah-Hartman

parent 3fe076d022

commit 4ef9eaf448

2 changed files with 3 additions and 5 deletions

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5

net/netfilter/nf_flow_table_core.c

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3

net/netfilter/nf_flow_table_offload.c

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