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| author | Simon Horman <horms@verge.net.au> | 2010-08-22 21:37:52 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2010-10-04 22:45:24 +0900 |
| commit | 2fabf35bfcd89445c54cf1e6a5437dd3cf924a92 (patch) | |
| tree | ac44075362b3b17d25f841c50622c0603fc2d3c8 | |
| parent | 6e08bfb879574524cc9a67be960c684989fd986c (diff) | |
| download | op-kernel-dev-2fabf35bfcd89445c54cf1e6a5437dd3cf924a92.zip op-kernel-dev-2fabf35bfcd89445c54cf1e6a5437dd3cf924a92.tar.gz | |
IPVS: ip_vs_{un,}bind_scheduler NULL arguments
In general NULL arguments aren't passed by the few callers that exist,
so don't test for them.
The exception is to make passing NULL to ip_vs_unbind_scheduler() a noop.
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_sched.c | 23 |
2 files changed, 4 insertions, 22 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index f7afcfe..5f20caf 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -1206,8 +1206,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u, out_err: if (svc != NULL) { - if (svc->scheduler) - ip_vs_unbind_scheduler(svc); + ip_vs_unbind_scheduler(svc); if (svc->inc) { local_bh_disable(); ip_vs_app_inc_put(svc->inc); diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c index 9f94e32..076ebe0 100644 --- a/net/netfilter/ipvs/ip_vs_sched.c +++ b/net/netfilter/ipvs/ip_vs_sched.c @@ -46,15 +46,6 @@ int ip_vs_bind_scheduler(struct ip_vs_service *svc, { int ret; - if (svc == NULL) { - pr_err("%s(): svc arg NULL\n", __func__); - return -EINVAL; - } - if (scheduler == NULL) { - pr_err("%s(): scheduler arg NULL\n", __func__); - return -EINVAL; - } - svc->scheduler = scheduler; if (scheduler->init_service) { @@ -74,18 +65,10 @@ int ip_vs_bind_scheduler(struct ip_vs_service *svc, */ int ip_vs_unbind_scheduler(struct ip_vs_service *svc) { - struct ip_vs_scheduler *sched; + struct ip_vs_scheduler *sched = svc->scheduler; - if (svc == NULL) { - pr_err("%s(): svc arg NULL\n", __func__); - return -EINVAL; - } - - sched = svc->scheduler; - if (sched == NULL) { - pr_err("%s(): svc isn't bound\n", __func__); - return -EINVAL; - } + if (!sched) + return 0; if (sched->done_service) { if (sched->done_service(svc) != 0) { |
