Hello, On Tue, 18 Nov 2014, SF Markus Elfring wrote: > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > Date: Tue, 18 Nov 2014 20:37:05 +0100 > > The functions free_percpu() and module_put() test whether their argument > is NULL and then return immediately. Thus the test around the call is > not needed. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Pablo, the IPVS parts look ok to me, Acked-by: Julian Anastasov <ja@xxxxxx> > --- > net/netfilter/ipvs/ip_vs_ctl.c | 3 +-- > net/netfilter/ipvs/ip_vs_pe.c | 3 +-- > net/netfilter/ipvs/ip_vs_sched.c | 3 +-- > net/netfilter/ipvs/ip_vs_sync.c | 3 +-- > net/netfilter/nf_tables_api.c | 3 +-- > 5 files changed, 5 insertions(+), 10 deletions(-) > > diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c > index fd3f444..7c5e40a 100644 > --- a/net/netfilter/ipvs/ip_vs_ctl.c > +++ b/net/netfilter/ipvs/ip_vs_ctl.c > @@ -465,8 +465,7 @@ __ip_vs_bind_svc(struct ip_vs_dest *dest, struct ip_vs_service *svc) > > static void ip_vs_service_free(struct ip_vs_service *svc) > { > - if (svc->stats.cpustats) > - free_percpu(svc->stats.cpustats); > + free_percpu(svc->stats.cpustats); > kfree(svc); > } > > diff --git a/net/netfilter/ipvs/ip_vs_pe.c b/net/netfilter/ipvs/ip_vs_pe.c > index 1a82b29..0df17ca 100644 > --- a/net/netfilter/ipvs/ip_vs_pe.c > +++ b/net/netfilter/ipvs/ip_vs_pe.c > @@ -37,8 +37,7 @@ struct ip_vs_pe *__ip_vs_pe_getbyname(const char *pe_name) > rcu_read_unlock(); > return pe; > } > - if (pe->module) > - module_put(pe->module); > + module_put(pe->module); > } > rcu_read_unlock(); > > diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c > index 4dbcda6..199760c 100644 > --- a/net/netfilter/ipvs/ip_vs_sched.c > +++ b/net/netfilter/ipvs/ip_vs_sched.c > @@ -104,8 +104,7 @@ static struct ip_vs_scheduler *ip_vs_sched_getbyname(const char *sched_name) > mutex_unlock(&ip_vs_sched_mutex); > return sched; > } > - if (sched->module) > - module_put(sched->module); > + module_put(sched->module); > } > > mutex_unlock(&ip_vs_sched_mutex); > diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c > index eadffb2..cafe28d 100644 > --- a/net/netfilter/ipvs/ip_vs_sync.c > +++ b/net/netfilter/ipvs/ip_vs_sync.c > @@ -820,8 +820,7 @@ ip_vs_conn_fill_param_sync(struct net *net, int af, union ip_vs_sync_conn *sc, > > p->pe_data = kmemdup(pe_data, pe_data_len, GFP_ATOMIC); > if (!p->pe_data) { > - if (p->pe->module) > - module_put(p->pe->module); > + module_put(p->pe->module); > return -ENOMEM; > } > p->pe_data_len = pe_data_len; > diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c > index deeb95f..b115f54 100644 > --- a/net/netfilter/nf_tables_api.c > +++ b/net/netfilter/nf_tables_api.c > @@ -3472,8 +3472,7 @@ static int nf_tables_abort(struct sk_buff *skb) > break; > case NFT_MSG_NEWCHAIN: > if (nft_trans_chain_update(trans)) { > - if (nft_trans_chain_stats(trans)) > - free_percpu(nft_trans_chain_stats(trans)); > + free_percpu(nft_trans_chain_stats(trans)); > > nft_trans_destroy(trans); > } else { > -- > 2.1.3 Regards -- Julian Anastasov <ja@xxxxxx> -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html