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flowcache: Fix resource leaks on namespace exit.

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We leak an active timer, the hotcpu notifier and all allocated
resources when we exit a namespace. Fix this by introducing a
flow_cache_fini() function where we release the resources before
we exit.

Fixes: ca925cf153 ("flowcache: Make flow cache name space aware")
Reported-by: Jakub Kicinski <moorray3@wp.pl>
Tested-by: Jakub Kicinski <moorray3@wp.pl>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steffen Klassert 2014-03-12 09:43:17 +01:00 • committed by David S. Miller
parent 1f36fc74d8
commit 4a93f5095a
3 changed files with 26 additions and 1 deletions
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1
include/net/flow.h
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@ -219,6 +219,7 @@ struct flow_cache_object *flow_cache_lookup(struct net *net,
u8 dir, flow_resolve_t resolver,
void *ctx);
int flow_cache_init(struct net *net);
void flow_cache_fini(struct net *net);
void flow_cache_flush(struct net *net);
void flow_cache_flush_deferred(struct net *net);