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| author | Hans Schillstrom <hans.schillstrom@ericsson.com> | 2012-04-26 09:45:34 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-04-30 10:40:14 +0200 |
| commit | 4b984cd50bc1b6d492175cd77bfabb78e76ffa67 (patch) | |
| tree | f338dce013046c295f177ad190cd5c88040ee8cf | |
| parent | 39f618b4fd95ae243d940ec64c961009c74e3333 (diff) | |
| download | linux-4b984cd50bc1b6d492175cd77bfabb78e76ffa67.tar.gz linux-4b984cd50bc1b6d492175cd77bfabb78e76ffa67.tar.bz2 linux-4b984cd50bc1b6d492175cd77bfabb78e76ffa67.zip | |
ipvs: null check of net->ipvs in lblc(r) shedulers
Avoid crash when registering shedulers after
the IPVS core initialization for netns fails. Do this by
checking for present core (net->ipvs).
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_lblc.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_lblcr.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c index 0f16283fd058..caa43704e55e 100644 --- a/net/netfilter/ipvs/ip_vs_lblc.c +++ b/net/netfilter/ipvs/ip_vs_lblc.c @@ -551,6 +551,9 @@ static int __net_init __ip_vs_lblc_init(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); + if (!ipvs) + return -ENOENT; + if (!net_eq(net, &init_net)) { ipvs->lblc_ctl_table = kmemdup(vs_vars_table, sizeof(vs_vars_table), diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c index eec797f8cce7..548bf37aa29e 100644 --- a/net/netfilter/ipvs/ip_vs_lblcr.c +++ b/net/netfilter/ipvs/ip_vs_lblcr.c @@ -745,6 +745,9 @@ static int __net_init __ip_vs_lblcr_init(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); + if (!ipvs) + return -ENOENT; + if (!net_eq(net, &init_net)) { ipvs->lblcr_ctl_table = kmemdup(vs_vars_table, sizeof(vs_vars_table), |