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Revert "net: fix percpu memory leaks" 

[ Upstream commit 5a63643e58 ]

This reverts commit 1d6119baf0.

After reverting commit 6d7b857d54 ("net: use lib/percpu_counter API
for fragmentation mem accounting") then here is no need for this
fix-up patch.  As percpu_counter is no longer used, it cannot
memory leak it any-longer.

Fixes: 6d7b857d54 ("net: use lib/percpu_counter API for fragmentation mem accounting")
Fixes: 1d6119baf0 ("net: fix percpu memory leaks")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
steinar/wifi_calib_4_9_kernel
Jesper Dangaard Brouer 2017-09-01 11:26:13 +02:00 committed by Greg Kroah-Hartman
parent 5a7a40bad2
commit 1bcf18718e
5 changed files with 13 additions and 41 deletions
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7
include/net/inet_frag.h
View File

@ -103,15 +103,10 @@ struct inet_frags {
int inet_frags_init(struct inet_frags *);
void inet_frags_fini(struct inet_frags *);
static inline int inet_frags_init_net(struct netns_frags *nf)
static inline void inet_frags_init_net(struct netns_frags *nf)
{
atomic_set(&nf->mem, 0);
return 0;
}
static inline void inet_frags_uninit_net(struct netns_frags *nf)
{
}
void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f);
void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f);

11
net/ieee802154/6lowpan/reassembly.c
View File

@ -580,19 +580,14 @@ static int __net_init lowpan_frags_init_net(struct net *net)
{
struct netns_ieee802154_lowpan *ieee802154_lowpan =
net_ieee802154_lowpan(net);
int res;
ieee802154_lowpan->frags.high_thresh = IPV6_FRAG_HIGH_THRESH;
ieee802154_lowpan->frags.low_thresh = IPV6_FRAG_LOW_THRESH;
ieee802154_lowpan->frags.timeout = IPV6_FRAG_TIMEOUT;
res = inet_frags_init_net(&ieee802154_lowpan->frags);
if (res)
return res;
res = lowpan_frags_ns_sysctl_register(net);
if (res)
inet_frags_uninit_net(&ieee802154_lowpan->frags);
return res;
inet_frags_init_net(&ieee802154_lowpan->frags);
return lowpan_frags_ns_sysctl_register(net);
}
static void __net_exit lowpan_frags_exit_net(struct net *net)

12
net/ipv4/ip_fragment.c
View File

@ -835,8 +835,6 @@ static void __init ip4_frags_ctl_register(void)
static int __net_init ipv4_frags_init_net(struct net *net)
{
int res;
/* Fragment cache limits.
*
* The fragment memory accounting code, (tries to) account for
@ -862,13 +860,9 @@ static int __net_init ipv4_frags_init_net(struct net *net)
net->ipv4.frags.max_dist = 64;
res = inet_frags_init_net(&net->ipv4.frags);
if (res)
return res;
res = ip4_frags_ns_ctl_register(net);
if (res)
inet_frags_uninit_net(&net->ipv4.frags);
return res;
inet_frags_init_net(&net->ipv4.frags);
return ip4_frags_ns_ctl_register(net);
}
static void __net_exit ipv4_frags_exit_net(struct net *net)

12
net/ipv6/netfilter/nf_conntrack_reasm.c
View File

@ -622,18 +622,12 @@ EXPORT_SYMBOL_GPL(nf_ct_frag6_gather);
static int nf_ct_net_init(struct net *net)
{
int res;
net->nf_frag.frags.high_thresh = IPV6_FRAG_HIGH_THRESH;
net->nf_frag.frags.low_thresh = IPV6_FRAG_LOW_THRESH;
net->nf_frag.frags.timeout = IPV6_FRAG_TIMEOUT;
res = inet_frags_init_net(&net->nf_frag.frags);
if (res)
return res;
res = nf_ct_frag6_sysctl_register(net);
if (res)
inet_frags_uninit_net(&net->nf_frag.frags);
return res;
inet_frags_init_net(&net->nf_frag.frags);
return nf_ct_frag6_sysctl_register(net);
}
static void nf_ct_net_exit(struct net *net)

12
net/ipv6/reassembly.c
View File

@ -709,19 +709,13 @@ static void ip6_frags_sysctl_unregister(void)
static int __net_init ipv6_frags_init_net(struct net *net)
{
int res;
net->ipv6.frags.high_thresh = IPV6_FRAG_HIGH_THRESH;
net->ipv6.frags.low_thresh = IPV6_FRAG_LOW_THRESH;
net->ipv6.frags.timeout = IPV6_FRAG_TIMEOUT;
res = inet_frags_init_net(&net->ipv6.frags);
if (res)
return res;
res = ip6_frags_ns_sysctl_register(net);
if (res)
inet_frags_uninit_net(&net->ipv6.frags);
return res;
inet_frags_init_net(&net->ipv6.frags);
return ip6_frags_ns_sysctl_register(net);
}
static void __net_exit ipv6_frags_exit_net(struct net *net)