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(parent: d3f28cf) | patch
netfilter: x_tables: Add note about how to free percpu counters
authorBen Hutchings <ben.hutchings@codethink.co.uk>
Thu, 29 Mar 2018 14:12:41 +0000 (15:12 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 30 Mar 2018 09:44:27 +0000 (11:44 +0200)
commit9bc4455861aac58053f0702701788fd46d8bdf51
tree2fff9032feace0c2ac68193dba5b61deede9b8c4tree | snapshot
parentd3f28cfe058a629f7585332a5f4058ec4cfe0ca0commit | diff
netfilter: x_tables: Add note about how to free percpu counters

Due to the way percpu counters are allocated and freed in blocks,
it is not safe to free counters individually.  Currently all callers
do the right thing, but let's note this restriction.

Fixes: 12eff61ac8d7 ("netfilter: x_tables: pack percpu counter allocations")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/x_tables.c diff | blob | history
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