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-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c1
-rw-r--r--net/ipv4/netfilter/ipt_ULOG.c4
-rw-r--r--net/ipv4/netfilter/nf_nat_snmp_basic.c22
-rw-r--r--net/ipv4/tcp_ipv4.c23
-rw-r--r--net/ipv4/udp.c30
-rw-r--r--net/ipv4/udplite.c13
6 files changed, 43 insertions, 50 deletions
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index db8d22d..a639967 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -395,7 +395,6 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
config = clusterip_config_init(cipinfo,
e->ip.dst.s_addr, dev);
if (!config) {
- pr_info("cannot allocate config\n");
dev_put(dev);
return -ENOMEM;
}
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 446e0f4..b550815 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -135,10 +135,8 @@ static struct sk_buff *ulog_alloc_skb(unsigned int size)
* due to slab allocator restrictions */
n = max(size, nlbufsiz);
- skb = alloc_skb(n, GFP_ATOMIC);
+ skb = alloc_skb(n, GFP_ATOMIC | __GFP_NOWARN);
if (!skb) {
- pr_debug("cannot alloc whole buffer %ub!\n", n);
-
if (n > size) {
/* try to allocate only as much as we need for
* current packet */
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index d1cb412..2133c30 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -400,11 +400,8 @@ static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
*len = 0;
*octets = kmalloc(eoc - ctx->pointer, GFP_ATOMIC);
- if (*octets == NULL) {
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ if (*octets == NULL)
return 0;
- }
ptr = *octets;
while (ctx->pointer < eoc) {
@@ -451,11 +448,8 @@ static unsigned char asn1_oid_decode(struct asn1_ctx *ctx,
return 0;
*oid = kmalloc(size * sizeof(unsigned long), GFP_ATOMIC);
- if (*oid == NULL) {
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ if (*oid == NULL)
return 0;
- }
optr = *oid;
@@ -728,8 +722,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
*obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
if (*obj == NULL) {
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
(*obj)->syntax.l[0] = l;
@@ -744,8 +736,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
if (*obj == NULL) {
kfree(p);
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
memcpy((*obj)->syntax.c, p, len);
@@ -759,8 +749,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
*obj = kmalloc(sizeof(struct snmp_object), GFP_ATOMIC);
if (*obj == NULL) {
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
if (!asn1_null_decode(ctx, end)) {
@@ -780,8 +768,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
if (*obj == NULL) {
kfree(lp);
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
memcpy((*obj)->syntax.ul, lp, len);
@@ -801,8 +787,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
if (*obj == NULL) {
kfree(p);
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
memcpy((*obj)->syntax.uc, p, len);
@@ -819,8 +803,6 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
*obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
if (*obj == NULL) {
kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
return 0;
}
(*obj)->syntax.ul[0] = ul;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 0ea10ee..a744315 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1510,6 +1510,7 @@ exit:
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
return NULL;
put_and_exit:
+ bh_unlock_sock(newsk);
sock_put(newsk);
goto exit;
}
@@ -2339,7 +2340,7 @@ static void tcp_seq_stop(struct seq_file *seq, void *v)
}
}
-static int tcp_seq_open(struct inode *inode, struct file *file)
+int tcp_seq_open(struct inode *inode, struct file *file)
{
struct tcp_seq_afinfo *afinfo = PDE(inode)->data;
struct tcp_iter_state *s;
@@ -2355,23 +2356,19 @@ static int tcp_seq_open(struct inode *inode, struct file *file)
s->last_pos = 0;
return 0;
}
+EXPORT_SYMBOL(tcp_seq_open);
int tcp_proc_register(struct net *net, struct tcp_seq_afinfo *afinfo)
{
int rc = 0;
struct proc_dir_entry *p;
- afinfo->seq_fops.open = tcp_seq_open;
- afinfo->seq_fops.read = seq_read;
- afinfo->seq_fops.llseek = seq_lseek;
- afinfo->seq_fops.release = seq_release_net;
-
afinfo->seq_ops.start = tcp_seq_start;
afinfo->seq_ops.next = tcp_seq_next;
afinfo->seq_ops.stop = tcp_seq_stop;
p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
- &afinfo->seq_fops, afinfo);
+ afinfo->seq_fops, afinfo);
if (!p)
rc = -ENOMEM;
return rc;
@@ -2520,12 +2517,18 @@ out:
return 0;
}
+static const struct file_operations tcp_afinfo_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = tcp_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net
+};
+
static struct tcp_seq_afinfo tcp4_seq_afinfo = {
.name = "tcp",
.family = AF_INET,
- .seq_fops = {
- .owner = THIS_MODULE,
- },
+ .seq_fops = &tcp_afinfo_seq_fops,
.seq_ops = {
.show = tcp4_seq_show,
},
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ebaa96b..ab0966d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1397,6 +1397,8 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
nf_reset(skb);
if (up->encap_type) {
+ int (*encap_rcv)(struct sock *sk, struct sk_buff *skb);
+
/*
* This is an encapsulation socket so pass the skb to
* the socket's udp_encap_rcv() hook. Otherwise, just
@@ -1409,11 +1411,11 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
*/
/* if we're overly short, let UDP handle it */
- if (skb->len > sizeof(struct udphdr) &&
- up->encap_rcv != NULL) {
+ encap_rcv = ACCESS_ONCE(up->encap_rcv);
+ if (skb->len > sizeof(struct udphdr) && encap_rcv != NULL) {
int ret;
- ret = (*up->encap_rcv)(sk, skb);
+ ret = encap_rcv(sk, skb);
if (ret <= 0) {
UDP_INC_STATS_BH(sock_net(sk),
UDP_MIB_INDATAGRAMS,
@@ -2037,7 +2039,7 @@ static void udp_seq_stop(struct seq_file *seq, void *v)
spin_unlock_bh(&state->udp_table->hash[state->bucket].lock);
}
-static int udp_seq_open(struct inode *inode, struct file *file)
+int udp_seq_open(struct inode *inode, struct file *file)
{
struct udp_seq_afinfo *afinfo = PDE(inode)->data;
struct udp_iter_state *s;
@@ -2053,6 +2055,7 @@ static int udp_seq_open(struct inode *inode, struct file *file)
s->udp_table = afinfo->udp_table;
return err;
}
+EXPORT_SYMBOL(udp_seq_open);
/* ------------------------------------------------------------------------ */
int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
@@ -2060,17 +2063,12 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
struct proc_dir_entry *p;
int rc = 0;
- afinfo->seq_fops.open = udp_seq_open;
- afinfo->seq_fops.read = seq_read;
- afinfo->seq_fops.llseek = seq_lseek;
- afinfo->seq_fops.release = seq_release_net;
-
afinfo->seq_ops.start = udp_seq_start;
afinfo->seq_ops.next = udp_seq_next;
afinfo->seq_ops.stop = udp_seq_stop;
p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
- &afinfo->seq_fops, afinfo);
+ afinfo->seq_fops, afinfo);
if (!p)
rc = -ENOMEM;
return rc;
@@ -2120,14 +2118,20 @@ int udp4_seq_show(struct seq_file *seq, void *v)
return 0;
}
+static const struct file_operations udp_afinfo_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = udp_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net
+};
+
/* ------------------------------------------------------------------------ */
static struct udp_seq_afinfo udp4_seq_afinfo = {
.name = "udp",
.family = AF_INET,
.udp_table = &udp_table,
- .seq_fops = {
- .owner = THIS_MODULE,
- },
+ .seq_fops = &udp_afinfo_seq_fops,
.seq_ops = {
.show = udp4_seq_show,
},
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index aee9963..08383eb 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -71,13 +71,20 @@ static struct inet_protosw udplite4_protosw = {
};
#ifdef CONFIG_PROC_FS
+
+static const struct file_operations udplite_afinfo_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = udp_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net
+};
+
static struct udp_seq_afinfo udplite4_seq_afinfo = {
.name = "udplite",
.family = AF_INET,
.udp_table = &udplite_table,
- .seq_fops = {
- .owner = THIS_MODULE,
- },
+ .seq_fops = &udplite_afinfo_seq_fops,
.seq_ops = {
.show = udp4_seq_show,
},
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