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-rw-r--r--net/Kconfig1
-rw-r--r--net/core/dev.c7
-rw-r--r--net/ipv4/ip_fragment.c3
-rw-r--r--net/ipv6/af_inet6.c3
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c8
-rw-r--r--net/ipv6/reassembly.c7
-rw-r--r--net/ipv6/sit.c2
-rw-r--r--net/mac80211/tx.c2
-rw-r--r--net/netfilter/nf_conntrack_core.c2
-rw-r--r--net/netfilter/nf_conntrack_netlink.c1
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c4
-rw-r--r--net/netlink/Makefile2
-rw-r--r--net/netlink/attr.c473
-rw-r--r--net/sctp/endpointola.c3
-rw-r--r--net/sunrpc/sched.c33
-rw-r--r--net/sunrpc/xprt.c2
-rw-r--r--net/sunrpc/xprtsock.c23
-rw-r--r--net/wireless/Kconfig10
-rw-r--r--net/wireless/lib80211_crypt_ccmp.c2
-rw-r--r--net/wireless/lib80211_crypt_tkip.c4
-rw-r--r--net/wireless/nl80211.c11
-rw-r--r--net/xfrm/xfrm_state.c90
22 files changed, 151 insertions, 542 deletions
diff --git a/net/Kconfig b/net/Kconfig
index cdb8fdef6c4a..eab40a481356 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -4,6 +4,7 @@
menuconfig NET
bool "Networking support"
+ select NLATTR
---help---
Unless you really know what you are doing, you should say Y here.
The reason is that some programs need kernel networking support even
diff --git a/net/core/dev.c b/net/core/dev.c
index f1129706ce7b..e3fe5c705606 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2588,9 +2588,9 @@ static int process_backlog(struct napi_struct *napi, int quota)
local_irq_disable();
skb = __skb_dequeue(&queue->input_pkt_queue);
if (!skb) {
- __napi_complete(napi);
local_irq_enable();
- break;
+ napi_complete(napi);
+ goto out;
}
local_irq_enable();
@@ -2599,6 +2599,7 @@ static int process_backlog(struct napi_struct *napi, int quota)
napi_gro_flush(napi);
+out:
return work;
}
@@ -2671,7 +2672,7 @@ void netif_napi_del(struct napi_struct *napi)
struct sk_buff *skb, *next;
list_del_init(&napi->dev_list);
- kfree(napi->skb);
+ kfree_skb(napi->skb);
for (skb = napi->gro_list; skb; skb = next) {
next = skb->next;
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 6659ac000eeb..7985346653bd 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -463,6 +463,7 @@ err:
static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
struct net_device *dev)
{
+ struct net *net = container_of(qp->q.net, struct net, ipv4.frags);
struct iphdr *iph;
struct sk_buff *fp, *head = qp->q.fragments;
int len;
@@ -548,7 +549,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
iph = ip_hdr(head);
iph->frag_off = 0;
iph->tot_len = htons(len);
- IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMOKS);
+ IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS);
qp->q.fragments = NULL;
return 0;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index da944eca2ca6..9c8309ed35cf 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -1192,6 +1192,9 @@ module_init(inet6_init);
static void __exit inet6_exit(void)
{
+ if (disable_ipv6)
+ return;
+
/* First of all disallow new sockets creation. */
sock_unregister(PF_INET6);
/* Disallow any further netlink messages */
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index ed4d79a9e4a6..058a5e4a60c3 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -528,14 +528,14 @@ find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
if (!ipv6_ext_hdr(nexthdr)) {
return -1;
}
- if (len < (int)sizeof(struct ipv6_opt_hdr)) {
- pr_debug("too short\n");
- return -1;
- }
if (nexthdr == NEXTHDR_NONE) {
pr_debug("next header is none\n");
return -1;
}
+ if (len < (int)sizeof(struct ipv6_opt_hdr)) {
+ pr_debug("too short\n");
+ return -1;
+ }
if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
BUG();
if (nexthdr == NEXTHDR_AUTH)
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 3c575118fca5..e9ac7a12f595 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -452,6 +452,7 @@ err:
static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
struct net_device *dev)
{
+ struct net *net = container_of(fq->q.net, struct net, ipv6.frags);
struct sk_buff *fp, *head = fq->q.fragments;
int payload_len;
unsigned int nhoff;
@@ -551,8 +552,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
head->csum);
rcu_read_lock();
- IP6_INC_STATS_BH(dev_net(dev),
- __in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
+ IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
rcu_read_unlock();
fq->q.fragments = NULL;
return 1;
@@ -566,8 +566,7 @@ out_oom:
printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n");
out_fail:
rcu_read_lock();
- IP6_INC_STATS_BH(dev_net(dev),
- __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
+ IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
rcu_read_unlock();
return -1;
}
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d3467e563f02..5cee2bcbcece 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -188,9 +188,9 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
}
nt = netdev_priv(dev);
- ipip6_tunnel_init(dev);
nt->parms = *parms;
+ ipip6_tunnel_init(dev);
if (parms->i_flags & SIT_ISATAP)
dev->priv_flags |= IFF_ISATAP;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 94de5033f0b6..37e3d5ef7e3f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -752,6 +752,8 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
skb_copy_queue_mapping(frag, first);
frag->do_not_encrypt = first->do_not_encrypt;
+ frag->dev = first->dev;
+ frag->iif = first->iif;
pos += copylen;
left -= copylen;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 90ce9ddb9451..f4935e344b61 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -726,7 +726,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
NF_CT_ASSERT(skb->nfct);
ret = l4proto->packet(ct, skb, dataoff, ctinfo, pf, hooknum);
- if (ret < 0) {
+ if (ret <= 0) {
/* Invalid: inverse of the return code tells
* the netfilter core what to do */
pr_debug("nf_conntrack_in: Can't track with proto module\n");
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index cb78aa00399e..ed6d873ad384 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1780,6 +1780,7 @@ ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3, u32 pid, int report)
goto out;
}
+ exp->class = 0;
exp->expectfn = NULL;
exp->flags = 0;
exp->master = ct;
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index a1edb9c1adee..f3fd154d1ddd 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -859,7 +859,7 @@ static int tcp_packet(struct nf_conn *ct,
*/
if (nf_ct_kill(ct))
return -NF_REPEAT;
- return -NF_DROP;
+ return NF_DROP;
}
/* Fall through */
case TCP_CONNTRACK_IGNORE:
@@ -892,7 +892,7 @@ static int tcp_packet(struct nf_conn *ct,
nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
"nf_ct_tcp: killing out of sync session ");
nf_ct_kill(ct);
- return -NF_DROP;
+ return NF_DROP;
}
ct->proto.tcp.last_index = index;
ct->proto.tcp.last_dir = dir;
diff --git a/net/netlink/Makefile b/net/netlink/Makefile
index e3589c2de49e..bdd6ddf4e95b 100644
--- a/net/netlink/Makefile
+++ b/net/netlink/Makefile
@@ -2,4 +2,4 @@
# Makefile for the netlink driver.
#
-obj-y := af_netlink.o attr.o genetlink.o
+obj-y := af_netlink.o genetlink.o
diff --git a/net/netlink/attr.c b/net/netlink/attr.c
deleted file mode 100644
index 56c3ce7fe29a..000000000000
--- a/net/netlink/attr.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/*
- * NETLINK Netlink attributes
- *
- * Authors: Thomas Graf <tgraf@suug.ch>
- * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/jiffies.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <net/netlink.h>
-
-static u16 nla_attr_minlen[NLA_TYPE_MAX+1] __read_mostly = {
- [NLA_U8] = sizeof(u8),
- [NLA_U16] = sizeof(u16),
- [NLA_U32] = sizeof(u32),
- [NLA_U64] = sizeof(u64),
- [NLA_NESTED] = NLA_HDRLEN,
-};
-
-static int validate_nla(struct nlattr *nla, int maxtype,
- const struct nla_policy *policy)
-{
- const struct nla_policy *pt;
- int minlen = 0, attrlen = nla_len(nla), type = nla_type(nla);
-
- if (type <= 0 || type > maxtype)
- return 0;
-
- pt = &policy[type];
-
- BUG_ON(pt->type > NLA_TYPE_MAX);
-
- switch (pt->type) {
- case NLA_FLAG:
- if (attrlen > 0)
- return -ERANGE;
- break;
-
- case NLA_NUL_STRING:
- if (pt->len)
- minlen = min_t(int, attrlen, pt->len + 1);
- else
- minlen = attrlen;
-
- if (!minlen || memchr(nla_data(nla), '\0', minlen) == NULL)
- return -EINVAL;
- /* fall through */
-
- case NLA_STRING:
- if (attrlen < 1)
- return -ERANGE;
-
- if (pt->len) {
- char *buf = nla_data(nla);
-
- if (buf[attrlen - 1] == '\0')
- attrlen--;
-
- if (attrlen > pt->len)
- return -ERANGE;
- }
- break;
-
- case NLA_BINARY:
- if (pt->len && attrlen > pt->len)
- return -ERANGE;
- break;
-
- case NLA_NESTED_COMPAT:
- if (attrlen < pt->len)
- return -ERANGE;
- if (attrlen < NLA_ALIGN(pt->len))
- break;
- if (attrlen < NLA_ALIGN(pt->len) + NLA_HDRLEN)
- return -ERANGE;
- nla = nla_data(nla) + NLA_ALIGN(pt->len);
- if (attrlen < NLA_ALIGN(pt->len) + NLA_HDRLEN + nla_len(nla))
- return -ERANGE;
- break;
- case NLA_NESTED:
- /* a nested attributes is allowed to be empty; if its not,
- * it must have a size of at least NLA_HDRLEN.
- */
- if (attrlen == 0)
- break;
- default:
- if (pt->len)
- minlen = pt->len;
- else if (pt->type != NLA_UNSPEC)
- minlen = nla_attr_minlen[pt->type];
-
- if (attrlen < minlen)
- return -ERANGE;
- }
-
- return 0;
-}
-
-/**
- * nla_validate - Validate a stream of attributes
- * @head: head of attribute stream
- * @len: length of attribute stream
- * @maxtype: maximum attribute type to be expected
- * @policy: validation policy
- *
- * Validates all attributes in the specified attribute stream against the
- * specified policy. Attributes with a type exceeding maxtype will be
- * ignored. See documenation of struct nla_policy for more details.
- *
- * Returns 0 on success or a negative error code.
- */
-int nla_validate(struct nlattr *head, int len, int maxtype,
- const struct nla_policy *policy)
-{
- struct nlattr *nla;
- int rem, err;
-
- nla_for_each_attr(nla, head, len, rem) {
- err = validate_nla(nla, maxtype, policy);
- if (err < 0)
- goto errout;
- }
-
- err = 0;
-errout:
- return err;
-}
-
-/**
- * nla_parse - Parse a stream of attributes into a tb buffer
- * @tb: destination array with maxtype+1 elements
- * @maxtype: maximum attribute type to be expected
- * @head: head of attribute stream
- * @len: length of attribute stream
- * @policy: validation policy
- *
- * Parses a stream of attributes and stores a pointer to each attribute in
- * the tb array accessable via the attribute type. Attributes with a type
- * exceeding maxtype will be silently ignored for backwards compatibility
- * reasons. policy may be set to NULL if no validation is required.
- *
- * Returns 0 on success or a negative error code.
- */
-int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len,
- const struct nla_policy *policy)
-{
- struct nlattr *nla;
- int rem, err;
-
- memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
-
- nla_for_each_attr(nla, head, len, rem) {
- u16 type = nla_type(nla);
-
- if (type > 0 && type <= maxtype) {
- if (policy) {
- err = validate_nla(nla, maxtype, policy);
- if (err < 0)
- goto errout;
- }
-
- tb[type] = nla;
- }
- }
-
- if (unlikely(rem > 0))
- printk(KERN_WARNING "netlink: %d bytes leftover after parsing "
- "attributes.\n", rem);
-
- err = 0;
-errout:
- return err;
-}
-
-/**
- * nla_find - Find a specific attribute in a stream of attributes
- * @head: head of attribute stream
- * @len: length of attribute stream
- * @attrtype: type of attribute to look for
- *
- * Returns the first attribute in the stream matching the specified type.
- */
-struct nlattr *nla_find(struct nlattr *head, int len, int attrtype)
-{
- struct nlattr *nla;
- int rem;
-
- nla_for_each_attr(nla, head, len, rem)
- if (nla_type(nla) == attrtype)
- return nla;
-
- return NULL;
-}
-
-/**
- * nla_strlcpy - Copy string attribute payload into a sized buffer
- * @dst: where to copy the string to
- * @nla: attribute to copy the string from
- * @dstsize: size of destination buffer
- *
- * Copies at most dstsize - 1 bytes into the destination buffer.
- * The result is always a valid NUL-terminated string. Unlike
- * strlcpy the destination buffer is always padded out.
- *
- * Returns the length of the source buffer.
- */
-size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize)
-{
- size_t srclen = nla_len(nla);
- char *src = nla_data(nla);
-
- if (srclen > 0 && src[srclen - 1] == '\0')
- srclen--;
-
- if (dstsize > 0) {
- size_t len = (srclen >= dstsize) ? dstsize - 1 : srclen;
-
- memset(dst, 0, dstsize);
- memcpy(dst, src, len);
- }
-
- return srclen;
-}
-
-/**
- * nla_memcpy - Copy a netlink attribute into another memory area
- * @dest: where to copy to memcpy
- * @src: netlink attribute to copy from
- * @count: size of the destination area
- *
- * Note: The number of bytes copied is limited by the length of
- * attribute's payload. memcpy
- *
- * Returns the number of bytes copied.
- */
-int nla_memcpy(void *dest, const struct nlattr *src, int count)
-{
- int minlen = min_t(int, count, nla_len(src));
-
- memcpy(dest, nla_data(src), minlen);
-
- return minlen;
-}
-
-/**
- * nla_memcmp - Compare an attribute with sized memory area
- * @nla: netlink attribute
- * @data: memory area
- * @size: size of memory area
- */
-int nla_memcmp(const struct nlattr *nla, const void *data,
- size_t size)
-{
- int d = nla_len(nla) - size;
-
- if (d == 0)
- d = memcmp(nla_data(nla), data, size);
-
- return d;
-}
-
-/**
- * nla_strcmp - Compare a string attribute against a string
- * @nla: netlink string attribute
- * @str: another string
- */
-int nla_strcmp(const struct nlattr *nla, const char *str)
-{
- int len = strlen(str) + 1;
- int d = nla_len(nla) - len;
-
- if (d == 0)
- d = memcmp(nla_data(nla), str, len);
-
- return d;
-}
-
-/**
- * __nla_reserve - reserve room for attribute on the skb
- * @skb: socket buffer to reserve room on
- * @attrtype: attribute type
- * @attrlen: length of attribute payload
- *
- * Adds a netlink attribute header to a socket buffer and reserves
- * room for the payload but does not copy it.
- *
- * The caller is responsible to ensure that the skb provides enough
- * tailroom for the attribute header and payload.
- */
-struct nlattr *__nla_reserve(struct sk_buff *skb, int attrtype, int attrlen)
-{
- struct nlattr *nla;
-
- nla = (struct nlattr *) skb_put(skb, nla_total_size(attrlen));
- nla->nla_type = attrtype;
- nla->nla_len = nla_attr_size(attrlen);
-
- memset((unsigned char *) nla + nla->nla_len, 0, nla_padlen(attrlen));
-
- return nla;
-}
-
-/**
- * __nla_reserve_nohdr - reserve room for attribute without header
- * @skb: socket buffer to reserve room on
- * @attrlen: length of attribute payload
- *
- * Reserves room for attribute payload without a header.
- *
- * The caller is responsible to ensure that the skb provides enough
- * tailroom for the payload.
- */
-void *__nla_reserve_nohdr(struct sk_buff *skb, int attrlen)
-{
- void *start;
-
- start = skb_put(skb, NLA_ALIGN(attrlen));
- memset(start, 0, NLA_ALIGN(attrlen));
-
- return start;
-}
-
-/**
- * nla_reserve - reserve room for attribute on the skb
- * @skb: socket buffer to reserve room on
- * @attrtype: attribute type
- * @attrlen: length of attribute payload
- *
- * Adds a netlink attribute header to a socket buffer and reserves
- * room for the payload but does not copy it.
- *
- * Returns NULL if the tailroom of the skb is insufficient to store
- * the attribute header and payload.
- */
-struct nlattr *nla_reserve(struct sk_buff *skb, int attrtype, int attrlen)
-{
- if (unlikely(skb_tailroom(skb) < nla_total_size(attrlen)))
- return NULL;
-
- return __nla_reserve(skb, attrtype, attrlen);
-}
-
-/**
- * nla_reserve_nohdr - reserve room for attribute without header
- * @skb: socket buffer to reserve room on
- * @attrlen: length of attribute payload
- *
- * Reserves room for attribute payload without a header.
- *
- * Returns NULL if the tailroom of the skb is insufficient to store
- * the attribute payload.
- */
-void *nla_reserve_nohdr(struct sk_buff *skb, int attrlen)
-{
- if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
- return NULL;
-
- return __nla_reserve_nohdr(skb, attrlen);
-}
-
-/**
- * __nla_put - Add a netlink attribute to a socket buffer
- * @skb: socket buffer to add attribute to
- * @attrtype: attribute type
- * @attrlen: length of attribute payload
- * @data: head of attribute payload
- *
- * The caller is responsible to ensure that the skb provides enough
- * tailroom for the attribute header and payload.
- */
-void __nla_put(struct sk_buff *skb, int attrtype, int attrlen,
- const void *data)
-{
- struct nlattr *nla;
-
- nla = __nla_reserve(skb, attrtype, attrlen);
- memcpy(nla_data(nla), data, attrlen);
-}
-
-/**
- * __nla_put_nohdr - Add a netlink attribute without header
- * @skb: socket buffer to add attribute to
- * @attrlen: length of attribute payload
- * @data: head of attribute payload
- *
- * The caller is responsible to ensure that the skb provides enough
- * tailroom for the attribute payload.
- */
-void __nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
-{
- void *start;
-
- start = __nla_reserve_nohdr(skb, attrlen);
- memcpy(start, data, attrlen);
-}
-
-/**
- * nla_put - Add a netlink attribute to a socket buffer
- * @skb: socket buffer to add attribute to
- * @attrtype: attribute type
- * @attrlen: length of attribute payload
- * @data: head of attribute payload
- *
- * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
- * the attribute header and payload.
- */
-int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
-{
- if (unlikely(skb_tailroom(skb) < nla_total_size(attrlen)))
- return -EMSGSIZE;
-
- __nla_put(skb, attrtype, attrlen, data);
- return 0;
-}
-
-/**
- * nla_put_nohdr - Add a netlink attribute without header
- * @skb: socket buffer to add attribute to
- * @attrlen: length of attribute payload
- * @data: head of attribute payload
- *
- * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
- * the attribute payload.
- */
-int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
-{
- if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
- return -EMSGSIZE;
-
- __nla_put_nohdr(skb, attrlen, data);
- return 0;
-}
-
-/**
- * nla_append - Add a netlink attribute without header or padding
- * @skb: socket buffer to add attribute to
- * @attrlen: length of attribute payload
- * @data: head of attribute payload
- *
- * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
- * the attribute payload.
- */
-int nla_append(struct sk_buff *skb, int attrlen, const void *data)
-{
- if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
- return -EMSGSIZE;
-
- memcpy(skb_put(skb, attrlen), data, attrlen);
- return 0;
-}
-
-EXPORT_SYMBOL(nla_validate);
-EXPORT_SYMBOL(nla_parse);
-EXPORT_SYMBOL(nla_find);
-EXPORT_SYMBOL(nla_strlcpy);
-EXPORT_SYMBOL(__nla_reserve);
-EXPORT_SYMBOL(__nla_reserve_nohdr);
-EXPORT_SYMBOL(nla_reserve);
-EXPORT_SYMBOL(nla_reserve_nohdr);
-EXPORT_SYMBOL(__nla_put);
-EXPORT_SYMBOL(__nla_put_nohdr);
-EXPORT_SYMBOL(nla_put);
-EXPORT_SYMBOL(nla_put_nohdr);
-EXPORT_SYMBOL(nla_memcpy);
-EXPORT_SYMBOL(nla_memcmp);
-EXPORT_SYMBOL(nla_strcmp);
-EXPORT_SYMBOL(nla_append);
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 4c8d9f45ce09..905fda582b92 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -111,7 +111,8 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
if (sctp_addip_enable) {
auth_chunks->chunks[0] = SCTP_CID_ASCONF;
auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
- auth_chunks->param_hdr.length += htons(2);
+ auth_chunks->param_hdr.length =
+ htons(sizeof(sctp_paramhdr_t) + 2);
}
}
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 385f427bedad..ff50a0546865 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -293,11 +293,6 @@ static void rpc_make_runnable(struct rpc_task *task)
rpc_clear_queued(task);
if (rpc_test_and_set_running(task))
return;
- /* We might have raced */
- if (RPC_IS_QUEUED(task)) {
- rpc_clear_running(task);
- return;
- }
if (RPC_IS_ASYNC(task)) {
int status;
@@ -607,7 +602,9 @@ void rpc_release_calldata(const struct rpc_call_ops *ops, void *calldata)
*/
static void __rpc_execute(struct rpc_task *task)
{
- int status = 0;
+ struct rpc_wait_queue *queue;
+ int task_is_async = RPC_IS_ASYNC(task);
+ int status = 0;
dprintk("RPC: %5u __rpc_execute flags=0x%x\n",
task->tk_pid, task->tk_flags);
@@ -647,15 +644,25 @@ static void __rpc_execute(struct rpc_task *task)
*/
if (!RPC_IS_QUEUED(task))
continue;
- rpc_clear_running(task);
- if (RPC_IS_ASYNC(task)) {
- /* Careful! we may have raced... */
- if (RPC_IS_QUEUED(task))
- return;
- if (rpc_test_and_set_running(task))
- return;
+ /*
+ * The queue->lock protects against races with
+ * rpc_make_runnable().
+ *
+ * Note that once we clear RPC_TASK_RUNNING on an asynchronous
+ * rpc_task, rpc_make_runnable() can assign it to a
+ * different workqueue. We therefore cannot assume that the
+ * rpc_task pointer may still be dereferenced.
+ */
+ queue = task->tk_waitqueue;
+ spin_lock_bh(&queue->lock);
+ if (!RPC_IS_QUEUED(task)) {
+ spin_unlock_bh(&queue->lock);
continue;
}
+ rpc_clear_running(task);
+ spin_unlock_bh(&queue->lock);
+ if (task_is_async)
+ return;
/* sync task: sleep here */
dprintk("RPC: %5u sync task going to sleep\n", task->tk_pid);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 29e401bb612e..62098d101a1f 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -663,7 +663,7 @@ void xprt_connect(struct rpc_task *task)
xprt, (xprt_connected(xprt) ? "is" : "is not"));
if (!xprt_bound(xprt)) {
- task->tk_status = -EIO;
+ task->tk_status = -EAGAIN;
return;
}
if (!xprt_lock_write(xprt, task))
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 5cbb404c4cdf..29c71e645b27 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -467,7 +467,7 @@ static int xs_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen,
int err, sent = 0;
if (unlikely(!sock))
- return -ENOTCONN;
+ return -ENOTSOCK;
clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags);
if (base != 0) {
@@ -577,6 +577,8 @@ static int xs_udp_send_request(struct rpc_task *task)
req->rq_svec->iov_base,
req->rq_svec->iov_len);
+ if (!xprt_bound(xprt))
+ return -ENOTCONN;
status = xs_sendpages(transport->sock,
xs_addr(xprt),
xprt->addrlen, xdr,
@@ -594,6 +596,10 @@ static int xs_udp_send_request(struct rpc_task *task)
}
switch (status) {
+ case -ENOTSOCK:
+ status = -ENOTCONN;
+ /* Should we call xs_close() here? */
+ break;
case -EAGAIN:
xs_nospace(task);
break;
@@ -693,6 +699,10 @@ static int xs_tcp_send_request(struct rpc_task *task)
}
switch (status) {
+ case -ENOTSOCK:
+ status = -ENOTCONN;
+ /* Should we call xs_close() here? */
+ break;
case -EAGAIN:
xs_nospace(task);
break;
@@ -1523,7 +1533,7 @@ static void xs_udp_connect_worker4(struct work_struct *work)
struct socket *sock = transport->sock;
int err, status = -EIO;
- if (xprt->shutdown || !xprt_bound(xprt))
+ if (xprt->shutdown)
goto out;
/* Start by resetting any existing state */
@@ -1564,7 +1574,7 @@ static void xs_udp_connect_worker6(struct work_struct *work)
struct socket *sock = transport->sock;
int err, status = -EIO;
- if (xprt->shutdown || !xprt_bound(xprt))
+ if (xprt->shutdown)
goto out;
/* Start by resetting any existing state */
@@ -1648,6 +1658,9 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
write_unlock_bh(&sk->sk_callback_lock);
}
+ if (!xprt_bound(xprt))
+ return -ENOTCONN;
+
/* Tell the socket layer to start connecting... */
xprt->stat.connect_count++;
xprt->stat.connect_start = jiffies;
@@ -1668,7 +1681,7 @@ static void xs_tcp_connect_worker4(struct work_struct *work)
struct socket *sock = transport->sock;
int err, status = -EIO;
- if (xprt->shutdown || !xprt_bound(xprt))
+ if (xprt->shutdown)
goto out;
if (!sock) {
@@ -1728,7 +1741,7 @@ static void xs_tcp_connect_worker6(struct work_struct *work)
struct socket *sock = transport->sock;
int err, status = -EIO;
- if (xprt->shutdown || !xprt_bound(xprt))
+ if (xprt->shutdown)
goto out;
if (!sock) {
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index e28e2b8fa436..092ae6faccca 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -102,3 +102,13 @@ config LIB80211_CRYPT_CCMP
config LIB80211_CRYPT_TKIP
tristate
+
+config LIB80211_DEBUG
+ bool "lib80211 debugging messages"
+ depends on LIB80211
+ default n
+ ---help---
+ You can enable this if you want verbose debugging messages
+ from lib80211.
+
+ If unsure, say N.
diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
index db428194c16a..2301dc1edc4c 100644
--- a/net/wireless/lib80211_crypt_ccmp.c
+++ b/net/wireless/lib80211_crypt_ccmp.c
@@ -337,6 +337,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += 8;
if (ccmp_replay_check(pn, key->rx_pn)) {
+#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "CCMP: replay detected: STA=%pM "
"previous PN %02x%02x%02x%02x%02x%02x "
@@ -346,6 +347,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
key->rx_pn[3], key->rx_pn[4], key->rx_pn[5],
pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]);
}
+#endif
key->dot11RSNAStatsCCMPReplays++;
return -4;
}
diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index 7e8e22bfed90..c36287399d7e 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -465,12 +465,14 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += 8;
if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
+#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
" previous TSC %08x%04x received TSC "
"%08x%04x\n", hdr->addr2,
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
}
+#endif
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
}
@@ -505,10 +507,12 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
* it needs to be recalculated for the next packet. */
tkey->rx_phase1_done = 0;
}
+#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "TKIP: ICV error detected: STA="
"%pM\n", hdr->addr2);
}
+#endif
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1e728fff474e..31b807af3235 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1908,6 +1908,11 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
if (err)
return err;
+ if (!drv->ops->get_mesh_params) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
/* Get the mesh params */
rtnl_lock();
err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
@@ -2017,6 +2022,11 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
+ if (!drv->ops->set_mesh_params) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
/* This makes sure that there aren't more than 32 mesh config
* parameters (otherwise our bitfield scheme would not work.) */
BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
@@ -2061,6 +2071,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
rtnl_unlock();
+ out:
/* cleanup */
cfg80211_put_dev(drv);
dev_put(dev);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index e25ff62ab2a6..62a5425cc6aa 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -748,12 +748,51 @@ static void xfrm_hash_grow_check(struct net *net, int have_hash_collision)
schedule_work(&net->xfrm.state_hash_work);
}
+static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
+ struct flowi *fl, unsigned short family,
+ xfrm_address_t *daddr, xfrm_address_t *saddr,
+ struct xfrm_state **best, int *acq_in_progress,
+ int *error)
+{
+ /* Resolution logic:
+ * 1. There is a valid state with matching selector. Done.
+ * 2. Valid state with inappropriate selector. Skip.
+ *
+ * Entering area of "sysdeps".
+ *
+ * 3. If state is not valid, selector is temporary, it selects
+ * only session which triggered previous resolution. Key
+ * manager will do something to install a state with proper
+ * selector.
+ */
+ if (x->km.state == XFRM_STATE_VALID) {
+ if ((x->sel.family &&
+ !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
+ !security_xfrm_state_pol_flow_match(x, pol, fl))
+ return;
+
+ if (!*best ||
+ (*best)->km.dying > x->km.dying ||
+ ((*best)->km.dying == x->km.dying &&
+ (*best)->curlft.add_time < x->curlft.add_time))
+ *best = x;
+ } else if (x->km.state == XFRM_STATE_ACQ) {
+ *acq_in_progress = 1;
+ } else if (x->km.state == XFRM_STATE_ERROR ||
+ x->km.state == XFRM_STATE_EXPIRED) {
+ if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
+ security_xfrm_state_pol_flow_match(x, pol, fl))
+ *error = -ESRCH;
+ }
+}
+
struct xfrm_state *
xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
struct flowi *fl, struct xfrm_tmpl *tmpl,
struct xfrm_policy *pol, int *err,
unsigned short family)
{
+ static xfrm_address_t saddr_wildcard = { };
struct net *net = xp_net(pol);
unsigned int h;
struct hlist_node *entry;
@@ -773,40 +812,27 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
xfrm_state_addr_check(x, daddr, saddr, family) &&
tmpl->mode == x->props.mode &&
tmpl->id.proto == x->id.proto &&
- (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) {
- /* Resolution logic:
- 1. There is a valid state with matching selector.
- Done.
- 2. Valid state with inappropriate selector. Skip.
-
- Entering area of "sysdeps".
-
- 3. If state is not valid, selector is temporary,
- it selects only session which triggered
- previous resolution. Key manager will do
- something to install a state with proper
- selector.
- */
- if (x->km.state == XFRM_STATE_VALID) {
- if ((x->sel.family && !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
- !security_xfrm_state_pol_flow_match(x, pol, fl))
- continue;
- if (!best ||
- best->km.dying > x->km.dying ||
- (best->km.dying == x->km.dying &&
- best->curlft.add_time < x->curlft.add_time))
- best = x;
- } else if (x->km.state == XFRM_STATE_ACQ) {
- acquire_in_progress = 1;
- } else if (x->km.state == XFRM_STATE_ERROR ||
- x->km.state == XFRM_STATE_EXPIRED) {
- if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
- security_xfrm_state_pol_flow_match(x, pol, fl))
- error = -ESRCH;
- }
- }
+ (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+ xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+ &best, &acquire_in_progress, &error);
+ }
+ if (best)
+ goto found;
+
+ h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+ hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
+ if (x->props.family == family &&
+ x->props.reqid == tmpl->reqid &&
+ !(x->props.flags & XFRM_STATE_WILDRECV) &&
+ xfrm_state_addr_check(x, daddr, saddr, family) &&
+ tmpl->mode == x->props.mode &&
+ tmpl->id.proto == x->id.proto &&
+ (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+ xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+ &best, &acquire_in_progress, &error);
}
+found:
x = best;
if (!x && !error && !acquire_in_progress) {
if (tmpl->id.spi &&