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-rw-r--r--net/bridge/br_fdb.c2
-rw-r--r--net/bridge/br_multicast.c2
-rw-r--r--net/caif/caif_socket.c8
-rw-r--r--net/ceph/crush/mapper.c16
-rw-r--r--net/core/dev.c2
-rw-r--r--net/ipv4/route.c4
-rw-r--r--net/ipv4/tcp_minisocks.c2
-rw-r--r--net/ipv4/udp.c24
-rw-r--r--net/ipv6/tcp_ipv6.c2
-rw-r--r--net/ipv6/udp.c6
-rw-r--r--net/sched/sch_api.c10
-rw-r--r--net/unix/af_unix.c8
-rw-r--r--net/wireless/wext-compat.c2
13 files changed, 65 insertions, 23 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 9203d5a1943f..09152d11eb29 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -705,9 +705,11 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge_port *p,
int err = 0;
if (ndm->ndm_flags & NTF_USE) {
+ local_bh_disable();
rcu_read_lock();
br_fdb_update(p->br, p, addr, vid, true);
rcu_read_unlock();
+ local_bh_enable();
} else {
spin_lock_bh(&p->br->hash_lock);
err = fdb_add_entry(p, addr, ndm->ndm_state,
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 93067ecdb9a2..11a2e6c8538f 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1056,7 +1056,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
err = br_ip6_multicast_add_group(br, port, &grec->grec_mca,
vid);
- if (!err)
+ if (err)
break;
}
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 526bf56f4d31..afeb8e07ee41 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -332,6 +332,10 @@ static long caif_stream_data_wait(struct sock *sk, long timeo)
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
+
+ if (sock_flag(sk, SOCK_DEAD))
+ break;
+
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}
@@ -376,6 +380,10 @@ static int caif_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct sk_buff *skb;
lock_sock(sk);
+ if (sock_flag(sk, SOCK_DEAD)) {
+ err = -ECONNRESET;
+ goto unlock;
+ }
skb = skb_dequeue(&sk->sk_receive_queue);
caif_check_flow_release(sk);
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 074bb2a5e675..0a08902c539e 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -290,6 +290,7 @@ static int is_out(const struct crush_map *map,
* @type: the type of item to choose
* @out: pointer to output vector
* @outpos: our position in that vector
+ * @out_size: size of the out vector
* @tries: number of attempts to make
* @recurse_tries: number of attempts to have recursive chooseleaf make
* @local_retries: localized retries
@@ -302,6 +303,7 @@ static int crush_choose_firstn(const struct crush_map *map,
const __u32 *weight, int weight_max,
int x, int numrep, int type,
int *out, int outpos,
+ int out_size,
unsigned int tries,
unsigned int recurse_tries,
unsigned int local_retries,
@@ -318,11 +320,12 @@ static int crush_choose_firstn(const struct crush_map *map,
int item = 0;
int itemtype;
int collide, reject;
+ int count = out_size;
dprintk("CHOOSE%s bucket %d x %d outpos %d numrep %d\n", recurse_to_leaf ? "_LEAF" : "",
bucket->id, x, outpos, numrep);
- for (rep = outpos; rep < numrep; rep++) {
+ for (rep = outpos; rep < numrep && count > 0 ; rep++) {
/* keep trying until we get a non-out, non-colliding item */
ftotal = 0;
skip_rep = 0;
@@ -391,7 +394,7 @@ static int crush_choose_firstn(const struct crush_map *map,
map->buckets[-1-item],
weight, weight_max,
x, outpos+1, 0,
- out2, outpos,
+ out2, outpos, count,
recurse_tries, 0,
local_retries,
local_fallback_retries,
@@ -449,6 +452,7 @@ reject:
dprintk("CHOOSE got %d\n", item);
out[outpos] = item;
outpos++;
+ count--;
}
dprintk("CHOOSE returns %d\n", outpos);
@@ -640,6 +644,7 @@ int crush_do_rule(const struct crush_map *map,
__u32 step;
int i, j;
int numrep;
+ int out_size;
/*
* the original choose_total_tries value was off by one (it
* counted "retries" and not "tries"). add one.
@@ -740,6 +745,7 @@ int crush_do_rule(const struct crush_map *map,
x, numrep,
curstep->arg2,
o+osize, j,
+ result_max-osize,
choose_tries,
recurse_tries,
choose_local_retries,
@@ -747,11 +753,13 @@ int crush_do_rule(const struct crush_map *map,
recurse_to_leaf,
c+osize);
} else {
+ out_size = ((numrep < (result_max-osize)) ?
+ numrep : (result_max-osize));
crush_choose_indep(
map,
map->buckets[-1-w[i]],
weight, weight_max,
- x, numrep, numrep,
+ x, out_size, numrep,
curstep->arg2,
o+osize, j,
choose_tries,
@@ -760,7 +768,7 @@ int crush_do_rule(const struct crush_map *map,
recurse_to_leaf,
c+osize,
0);
- osize += numrep;
+ osize += out_size;
}
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 73abbd77d72c..1b9e700c85b6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4903,7 +4903,7 @@ static int __netdev_upper_dev_link(struct net_device *dev,
if (__netdev_find_adj(upper_dev, dev, &upper_dev->all_adj_list.upper))
return -EBUSY;
- if (__netdev_find_adj(dev, upper_dev, &dev->all_adj_list.upper))
+ if (__netdev_find_adj(dev, upper_dev, &dev->adj_list.upper))
return -EEXIST;
if (master && netdev_master_upper_dev_get(dev))
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b64330f25fbe..625615cdac86 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -910,6 +910,10 @@ static int ip_error(struct sk_buff *skb)
bool send;
int code;
+ /* IP on this device is disabled. */
+ if (!in_dev)
+ goto out;
+
net = dev_net(rt->dst.dev);
if (!IN_DEV_FORWARD(in_dev)) {
switch (rt->dst.error) {
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 7a436c517e44..9128d0aa4643 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -297,7 +297,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
tw->tw_v6_daddr = sk->sk_v6_daddr;
tw->tw_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
tw->tw_tclass = np->tclass;
- tw->tw_flowlabel = np->flow_label >> 12;
+ tw->tw_flowlabel = be32_to_cpu(np->flow_label & IPV6_FLOWLABEL_MASK);
tw->tw_ipv6only = np->ipv6only;
}
#endif
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b25e852625d8..21a3a9e90b10 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -90,6 +90,7 @@
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/igmp.h>
+#include <linux/inetdevice.h>
#include <linux/in.h>
#include <linux/errno.h>
#include <linux/timer.h>
@@ -1317,10 +1318,8 @@ csum_copy_err:
}
unlock_sock_fast(sk, slow);
- if (noblock)
- return -EAGAIN;
-
- /* starting over for a new packet */
+ /* starting over for a new packet, but check if we need to yield */
+ cond_resched();
msg->msg_flags &= ~MSG_TRUNC;
goto try_again;
}
@@ -1924,6 +1923,7 @@ void udp_v4_early_demux(struct sk_buff *skb)
struct sock *sk;
struct dst_entry *dst;
int dif = skb->dev->ifindex;
+ int ours;
/* validate the packet */
if (!pskb_may_pull(skb, skb_transport_offset(skb) + sizeof(struct udphdr)))
@@ -1933,14 +1933,24 @@ void udp_v4_early_demux(struct sk_buff *skb)
uh = udp_hdr(skb);
if (skb->pkt_type == PACKET_BROADCAST ||
- skb->pkt_type == PACKET_MULTICAST)
+ skb->pkt_type == PACKET_MULTICAST) {
+ struct in_device *in_dev = __in_dev_get_rcu(skb->dev);
+
+ if (!in_dev)
+ return;
+
+ ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
+ iph->protocol);
+ if (!ours)
+ return;
sk = __udp4_lib_mcast_demux_lookup(net, uh->dest, iph->daddr,
uh->source, iph->saddr, dif);
- else if (skb->pkt_type == PACKET_HOST)
+ } else if (skb->pkt_type == PACKET_HOST) {
sk = __udp4_lib_demux_lookup(net, uh->dest, iph->daddr,
uh->source, iph->saddr, dif);
- else
+ } else {
return;
+ }
if (!sk)
return;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 9d4332dba8ea..b50ae296537d 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -905,7 +905,7 @@ static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
tcp_time_stamp + tcptw->tw_ts_offset,
tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw),
- tw->tw_tclass, (tw->tw_flowlabel << 12));
+ tw->tw_tclass, cpu_to_be32(tw->tw_flowlabel));
inet_twsk_put(tw);
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 20b63d2ab70f..38625a91ec94 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -515,10 +515,8 @@ csum_copy_err:
}
unlock_sock_fast(sk, slow);
- if (noblock)
- return -EAGAIN;
-
- /* starting over for a new packet */
+ /* starting over for a new packet, but check if we need to yield */
+ cond_resched();
msg->msg_flags &= ~MSG_TRUNC;
goto try_again;
}
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 98532cfa7823..bdaed3130029 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -812,10 +812,8 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
if (dev->flags & IFF_UP)
dev_deactivate(dev);
- if (new && new->ops->attach) {
- new->ops->attach(new);
- num_q = 0;
- }
+ if (new && new->ops->attach)
+ goto skip;
for (i = 0; i < num_q; i++) {
struct netdev_queue *dev_queue = dev_ingress_queue(dev);
@@ -831,12 +829,16 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
qdisc_destroy(old);
}
+skip:
if (!ingress) {
notify_and_destroy(net, skb, n, classid,
dev->qdisc, new);
if (new && !new->ops->attach)
atomic_inc(&new->refcnt);
dev->qdisc = new ? : &noop_qdisc;
+
+ if (new && new->ops->attach)
+ new->ops->attach(new);
} else {
notify_and_destroy(net, skb, n, classid, old, new);
}
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 94404f19f9de..4757f1cf6237 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1893,6 +1893,10 @@ static long unix_stream_data_wait(struct sock *sk, long timeo,
unix_state_unlock(sk);
timeo = freezable_schedule_timeout(timeo);
unix_state_lock(sk);
+
+ if (sock_flag(sk, SOCK_DEAD))
+ break;
+
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}
@@ -1957,6 +1961,10 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct sk_buff *skb, *last;
unix_state_lock(sk);
+ if (sock_flag(sk, SOCK_DEAD)) {
+ err = -ECONNRESET;
+ goto unlock;
+ }
last = skb = skb_peek(&sk->sk_receive_queue);
again:
if (skb == NULL) {
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 5661a54ac7ee..ae1fe6fd4ab6 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1331,6 +1331,8 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
wdev_unlock(wdev);
+ memset(&sinfo, 0, sizeof(sinfo));
+
if (rdev_get_station(rdev, dev, bssid, &sinfo))
return NULL;