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-rw-r--r--net/netfilter/ipvs/ip_vs_core.c20
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c22
-rw-r--r--net/netfilter/ipvs/ip_vs_dh.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_ftp.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_lblc.c9
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c13
-rw-r--r--net/netfilter/ipvs/ip_vs_nfct.c2
-rw-r--r--net/netfilter/ipvs/ip_vs_proto.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_sctp.c14
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_tcp.c6
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_udp.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_sh.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_wrr.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c2
14 files changed, 43 insertions, 75 deletions
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4f77bb16d22a..093cc327020f 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -188,14 +188,13 @@ ip_vs_conn_stats(struct ip_vs_conn *cp, struct ip_vs_service *svc)
}
-static inline int
+static inline void
ip_vs_set_state(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
struct ip_vs_proto_data *pd)
{
- if (unlikely(!pd->pp->state_transition))
- return 0;
- return pd->pp->state_transition(cp, direction, skb, pd);
+ if (likely(pd->pp->state_transition))
+ pd->pp->state_transition(cp, direction, skb, pd);
}
static inline int
@@ -530,7 +529,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
a cache_bypass connection entry */
ipvs = net_ipvs(net);
if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
- int ret, cs;
+ int ret;
struct ip_vs_conn *cp;
unsigned int flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
iph.protocol == IPPROTO_UDP)?
@@ -557,7 +556,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
ip_vs_in_stats(cp, skb);
/* set state */
- cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
+ ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
/* transmit the first SYN packet */
ret = cp->packet_xmit(skb, cp, pd->pp);
@@ -1490,7 +1489,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
struct ip_vs_protocol *pp;
struct ip_vs_proto_data *pd;
struct ip_vs_conn *cp;
- int ret, restart, pkts;
+ int ret, pkts;
struct netns_ipvs *ipvs;
/* Already marked as IPVS request or reply? */
@@ -1591,7 +1590,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
}
ip_vs_in_stats(cp, skb);
- restart = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
+ ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
if (cp->packet_xmit)
ret = cp->packet_xmit(skb, cp, pp);
/* do not touch skb anymore */
@@ -1878,10 +1877,9 @@ static int __net_init __ip_vs_init(struct net *net)
struct netns_ipvs *ipvs;
ipvs = net_generic(net, ip_vs_net_id);
- if (ipvs == NULL) {
- pr_err("%s(): no memory.\n", __func__);
+ if (ipvs == NULL)
return -ENOMEM;
- }
+
/* Hold the beast until a service is registerd */
ipvs->enable = 0;
ipvs->net = net;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index e3be48bf4dcd..008bf97cc91a 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -856,15 +856,12 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
}
dest = kzalloc(sizeof(struct ip_vs_dest), GFP_KERNEL);
- if (dest == NULL) {
- pr_err("%s(): no memory.\n", __func__);
+ if (dest == NULL)
return -ENOMEM;
- }
+
dest->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
- if (!dest->stats.cpustats) {
- pr_err("%s() alloc_percpu failed\n", __func__);
+ if (!dest->stats.cpustats)
goto err_alloc;
- }
dest->af = svc->af;
dest->protocol = svc->protocol;
@@ -1168,10 +1165,8 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u,
goto out_err;
}
svc->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
- if (!svc->stats.cpustats) {
- pr_err("%s() alloc_percpu failed\n", __func__);
+ if (!svc->stats.cpustats)
goto out_err;
- }
/* I'm the first user of the service */
atomic_set(&svc->usecnt, 0);
@@ -3326,10 +3321,8 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
int ret = 0, cmd;
int need_full_svc = 0, need_full_dest = 0;
struct net *net;
- struct netns_ipvs *ipvs;
net = skb_sknet(skb);
- ipvs = net_ipvs(net);
cmd = info->genlhdr->cmd;
mutex_lock(&__ip_vs_mutex);
@@ -3421,10 +3414,8 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
void *reply;
int ret, cmd, reply_cmd;
struct net *net;
- struct netns_ipvs *ipvs;
net = skb_sknet(skb);
- ipvs = net_ipvs(net);
cmd = info->genlhdr->cmd;
if (cmd == IPVS_CMD_GET_SERVICE)
@@ -3720,10 +3711,9 @@ int __net_init ip_vs_control_net_init(struct net *net)
/* procfs stats */
ipvs->tot_stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
- if (!ipvs->tot_stats.cpustats) {
- pr_err("%s(): alloc_percpu.\n", __func__);
+ if (!ipvs->tot_stats.cpustats)
return -ENOMEM;
- }
+
spin_lock_init(&ipvs->tot_stats.lock);
proc_net_fops_create(net, "ip_vs", 0, &ip_vs_info_fops);
diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index 95fd0d14200b..1c269e56200a 100644
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -150,10 +150,9 @@ static int ip_vs_dh_init_svc(struct ip_vs_service *svc)
/* allocate the DH table for this service */
tbl = kmalloc(sizeof(struct ip_vs_dh_bucket)*IP_VS_DH_TAB_SIZE,
GFP_ATOMIC);
- if (tbl == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (tbl == NULL)
return -ENOMEM;
- }
+
svc->sched_data = tbl;
IP_VS_DBG(6, "DH hash table (memory=%Zdbytes) allocated for "
"current service\n",
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 4490a32ad5b2..538d74ee4f68 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -52,8 +52,9 @@
* List of ports (up to IP_VS_APP_MAX_PORTS) to be handled by helper
* First port is set to the default port.
*/
+static unsigned int ports_count = 1;
static unsigned short ports[IP_VS_APP_MAX_PORTS] = {21, 0};
-module_param_array(ports, ushort, NULL, 0);
+module_param_array(ports, ushort, &ports_count, 0444);
MODULE_PARM_DESC(ports, "Ports to monitor for FTP control commands");
@@ -449,7 +450,7 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
if (ret)
goto err_exit;
- for (i=0; i<IP_VS_APP_MAX_PORTS; i++) {
+ for (i = 0; i < ports_count; i++) {
if (!ports[i])
continue;
ret = register_ip_vs_app_inc(net, app, app->protocol, ports[i]);
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 87e40ea77a95..0f16283fd058 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -202,10 +202,8 @@ ip_vs_lblc_new(struct ip_vs_lblc_table *tbl, const union nf_inet_addr *daddr,
en = ip_vs_lblc_get(dest->af, tbl, daddr);
if (!en) {
en = kmalloc(sizeof(*en), GFP_ATOMIC);
- if (!en) {
- pr_err("%s(): no memory\n", __func__);
+ if (!en)
return NULL;
- }
en->af = dest->af;
ip_vs_addr_copy(dest->af, &en->addr, daddr);
@@ -345,10 +343,9 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc)
* Allocate the ip_vs_lblc_table for this service
*/
tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC);
- if (tbl == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (tbl == NULL)
return -ENOMEM;
- }
+
svc->sched_data = tbl;
IP_VS_DBG(6, "LBLC hash table (memory=%Zdbytes) allocated for "
"current service\n", sizeof(*tbl));
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index 90f618ab6dda..eec797f8cce7 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -112,10 +112,8 @@ ip_vs_dest_set_insert(struct ip_vs_dest_set *set, struct ip_vs_dest *dest)
}
e = kmalloc(sizeof(*e), GFP_ATOMIC);
- if (e == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (e == NULL)
return NULL;
- }
atomic_inc(&dest->refcnt);
e->dest = dest;
@@ -373,10 +371,8 @@ ip_vs_lblcr_new(struct ip_vs_lblcr_table *tbl, const union nf_inet_addr *daddr,
en = ip_vs_lblcr_get(dest->af, tbl, daddr);
if (!en) {
en = kmalloc(sizeof(*en), GFP_ATOMIC);
- if (!en) {
- pr_err("%s(): no memory\n", __func__);
+ if (!en)
return NULL;
- }
en->af = dest->af;
ip_vs_addr_copy(dest->af, &en->addr, daddr);
@@ -516,10 +512,9 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
* Allocate the ip_vs_lblcr_table for this service
*/
tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC);
- if (tbl == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (tbl == NULL)
return -ENOMEM;
- }
+
svc->sched_data = tbl;
IP_VS_DBG(6, "LBLCR hash table (memory=%Zdbytes) allocated for "
"current service\n", sizeof(*tbl));
diff --git a/net/netfilter/ipvs/ip_vs_nfct.c b/net/netfilter/ipvs/ip_vs_nfct.c
index f454c80df0a7..022e77e1e766 100644
--- a/net/netfilter/ipvs/ip_vs_nfct.c
+++ b/net/netfilter/ipvs/ip_vs_nfct.c
@@ -127,7 +127,7 @@ ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp, int outin)
nf_conntrack_alter_reply(ct, &new_tuple);
}
-int ip_vs_confirm_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp)
+int ip_vs_confirm_conntrack(struct sk_buff *skb)
{
return nf_conntrack_confirm(skb);
}
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 52d073c105e9..85312939695f 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -74,10 +74,9 @@ register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
struct ip_vs_proto_data *pd =
kzalloc(sizeof(struct ip_vs_proto_data), GFP_ATOMIC);
- if (!pd) {
- pr_err("%s(): no memory.\n", __func__);
+ if (!pd)
return -ENOMEM;
- }
+
pd->pp = pp; /* For speed issues */
pd->next = ipvs->proto_data_table[hash];
ipvs->proto_data_table[hash] = pd;
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index d12ed53ec95f..1fbf7a2816f5 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -906,7 +906,7 @@ static const char *sctp_state_name(int state)
return "?";
}
-static inline int
+static inline void
set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
int direction, const struct sk_buff *skb)
{
@@ -924,7 +924,7 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
sch = skb_header_pointer(skb, ihl + sizeof(sctp_sctphdr_t),
sizeof(_sctpch), &_sctpch);
if (sch == NULL)
- return 0;
+ return;
chunk_type = sch->type;
/*
@@ -993,21 +993,15 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
cp->timeout = pd->timeout_table[cp->state = next_state];
else /* What to do ? */
cp->timeout = sctp_timeouts[cp->state = next_state];
-
- return 1;
}
-static int
+static void
sctp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb, struct ip_vs_proto_data *pd)
{
- int ret = 0;
-
spin_lock(&cp->lock);
- ret = set_sctp_state(pd, cp, direction, skb);
+ set_sctp_state(pd, cp, direction, skb);
spin_unlock(&cp->lock);
-
- return ret;
}
static inline __u16 sctp_app_hashkey(__be16 port)
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index c0cc341b840d..ef8641f7af83 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -546,7 +546,7 @@ set_tcp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
/*
* Handle state transitions
*/
-static int
+static void
tcp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
struct ip_vs_proto_data *pd)
@@ -561,13 +561,11 @@ tcp_state_transition(struct ip_vs_conn *cp, int direction,
th = skb_header_pointer(skb, ihl, sizeof(_tcph), &_tcph);
if (th == NULL)
- return 0;
+ return;
spin_lock(&cp->lock);
set_tcp_state(pd, cp, direction, th);
spin_unlock(&cp->lock);
-
- return 1;
}
static inline __u16 tcp_app_hashkey(__be16 port)
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index f1282cbe6fe3..f4b7262896bb 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -454,18 +454,17 @@ static const char * udp_state_name(int state)
return udp_state_name_table[state] ? udp_state_name_table[state] : "?";
}
-static int
+static void
udp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
struct ip_vs_proto_data *pd)
{
if (unlikely(!pd)) {
pr_err("UDP no ns data\n");
- return 0;
+ return;
}
cp->timeout = pd->timeout_table[IP_VS_UDP_S_NORMAL];
- return 1;
}
static void __udp_init(struct net *net, struct ip_vs_proto_data *pd)
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c
index b5e2556c581a..33815f4fb451 100644
--- a/net/netfilter/ipvs/ip_vs_sh.c
+++ b/net/netfilter/ipvs/ip_vs_sh.c
@@ -147,10 +147,9 @@ static int ip_vs_sh_init_svc(struct ip_vs_service *svc)
/* allocate the SH table for this service */
tbl = kmalloc(sizeof(struct ip_vs_sh_bucket)*IP_VS_SH_TAB_SIZE,
GFP_ATOMIC);
- if (tbl == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (tbl == NULL)
return -ENOMEM;
- }
+
svc->sched_data = tbl;
IP_VS_DBG(6, "SH hash table (memory=%Zdbytes) allocated for "
"current service\n",
diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index 1ef41f50723c..fd0d4e09876a 100644
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -85,10 +85,9 @@ static int ip_vs_wrr_init_svc(struct ip_vs_service *svc)
* Allocate the mark variable for WRR scheduling
*/
mark = kmalloc(sizeof(struct ip_vs_wrr_mark), GFP_ATOMIC);
- if (mark == NULL) {
- pr_err("%s(): no memory\n", __func__);
+ if (mark == NULL)
return -ENOMEM;
- }
+
mark->cl = &svc->destinations;
mark->cw = 0;
mark->mw = ip_vs_wrr_max_weight(svc);
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index ee319a4338b0..aa2d7206ee8a 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -339,7 +339,7 @@ ip_vs_dst_reset(struct ip_vs_dest *dest)
\
(skb)->ipvs_property = 1; \
if (unlikely((cp)->flags & IP_VS_CONN_F_NFCT)) \
- __ret = ip_vs_confirm_conntrack(skb, cp); \
+ __ret = ip_vs_confirm_conntrack(skb); \
if (__ret == NF_ACCEPT) { \
nf_reset(skb); \
skb_forward_csum(skb); \