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authorDavid S. Miller <davem@davemloft.net>2008-06-04 12:10:21 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-04 12:10:21 -0700
commitaed5a833fb18123d7cfc6ce3810ab97efd4869b3 (patch)
tree7077b2dce8fe2990cdf10ef8e1990c1eeafd3bc1
parenta6604471db5e7a33474a7f16c64d6b118fae3e74 (diff)
parent9596cc826e2e52bfc318ca37a6c52fe3d72990a3 (diff)
Merge branch 'net-2.6-misc-20080605a' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-fix
-rw-r--r--include/net/addrconf.h22
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--include/net/transp_v6.h3
-rw-r--r--include/net/udp.h1
-rw-r--r--net/ipv4/tunnel4.c2
-rw-r--r--net/ipv4/udp.c3
-rw-r--r--net/ipv6/addrconf.c107
-rw-r--r--net/ipv6/datagram.c45
-rw-r--r--net/ipv6/ip6_flowlabel.c2
-rw-r--r--net/ipv6/ipv6_sockglue.c21
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/route.c12
-rw-r--r--net/ipv6/tunnel6.c2
-rw-r--r--net/ipv6/udp.c8
-rw-r--r--net/sctp/ipv6.c5
-rw-r--r--net/sctp/protocol.c3
-rw-r--r--net/sctp/transport.c2
17 files changed, 146 insertions, 97 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 0a2f0372df31..bbd3d583c6e6 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -94,6 +94,28 @@ extern void addrconf_join_solict(struct net_device *dev,
extern void addrconf_leave_solict(struct inet6_dev *idev,
struct in6_addr *addr);
+static inline unsigned long addrconf_timeout_fixup(u32 timeout,
+ unsigned unit)
+{
+ if (timeout == 0xffffffff)
+ return ~0UL;
+
+ /*
+ * Avoid arithmetic overflow.
+ * Assuming unit is constant and non-zero, this "if" statement
+ * will go away on 64bit archs.
+ */
+ if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
+ return LONG_MAX / unit;
+
+ return timeout;
+}
+
+static inline int addrconf_finite_timeout(unsigned long timeout)
+{
+ return ~timeout;
+}
+
/*
* IPv6 Address Label subsystem (addrlabel.c)
*/
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0ce0443c5b79..917d425f0542 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -548,7 +548,8 @@ struct sctp_af {
struct dst_entry *(*get_dst) (struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr);
- void (*get_saddr) (struct sctp_association *asoc,
+ void (*get_saddr) (struct sctp_sock *sk,
+ struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr);
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 27394e0447d8..112934a3288d 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -40,7 +40,8 @@ extern int datagram_recv_ctl(struct sock *sk,
struct msghdr *msg,
struct sk_buff *skb);
-extern int datagram_send_ctl(struct msghdr *msg,
+extern int datagram_send_ctl(struct net *net,
+ struct msghdr *msg,
struct flowi *fl,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass);
diff --git a/include/net/udp.h b/include/net/udp.h
index 3e55a99b0ba3..ccce83707046 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -135,6 +135,7 @@ extern void udp_err(struct sk_buff *, u32);
extern int udp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len);
+extern void udp_flush_pending_frames(struct sock *sk);
extern int udp_rcv(struct sk_buff *skb);
extern int udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index d3b709a6f264..cb1f0e83830b 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -97,7 +97,7 @@ static int tunnel64_rcv(struct sk_buff *skb)
{
struct xfrm_tunnel *handler;
- if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+ if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
goto drop;
for (handler = tunnel64_handlers; handler; handler = handler->next)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index db1cb7c96d63..56fcda3694ba 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -420,7 +420,7 @@ void udp_err(struct sk_buff *skb, u32 info)
/*
* Throw away all pending data and cancel the corking. Socket is locked.
*/
-static void udp_flush_pending_frames(struct sock *sk)
+void udp_flush_pending_frames(struct sock *sk)
{
struct udp_sock *up = udp_sk(sk);
@@ -430,6 +430,7 @@ static void udp_flush_pending_frames(struct sock *sk)
ip_flush_pending_frames(sk);
}
}
+EXPORT_SYMBOL(udp_flush_pending_frames);
/**
* udp4_hwcsum_outgoing - handle outgoing HW checksumming
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3a835578fd1c..147588f4c7c0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -731,8 +731,13 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
onlink = -1;
spin_lock(&ifa->lock);
- lifetime = min_t(unsigned long,
- ifa->valid_lft, 0x7fffffffUL/HZ);
+
+ lifetime = addrconf_timeout_fixup(ifa->valid_lft, HZ);
+ /*
+ * Note: Because this address is
+ * not permanent, lifetime <
+ * LONG_MAX / HZ here.
+ */
if (time_before(expires,
ifa->tstamp + lifetime * HZ))
expires = ifa->tstamp + lifetime * HZ;
@@ -1722,7 +1727,6 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
__u32 valid_lft;
__u32 prefered_lft;
int addr_type;
- unsigned long rt_expires;
struct inet6_dev *in6_dev;
pinfo = (struct prefix_info *) opt;
@@ -1764,28 +1768,23 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
* 2) Configure prefixes with the auto flag set
*/
- if (valid_lft == INFINITY_LIFE_TIME)
- rt_expires = ~0UL;
- else if (valid_lft >= 0x7FFFFFFF/HZ) {
+ if (pinfo->onlink) {
+ struct rt6_info *rt;
+ unsigned long rt_expires;
+
/* Avoid arithmetic overflow. Really, we could
* save rt_expires in seconds, likely valid_lft,
* but it would require division in fib gc, that it
* not good.
*/
- rt_expires = 0x7FFFFFFF - (0x7FFFFFFF % HZ);
- } else
- rt_expires = valid_lft * HZ;
+ if (HZ > USER_HZ)
+ rt_expires = addrconf_timeout_fixup(valid_lft, HZ);
+ else
+ rt_expires = addrconf_timeout_fixup(valid_lft, USER_HZ);
- /*
- * We convert this (in jiffies) to clock_t later.
- * Avoid arithmetic overflow there as well.
- * Overflow can happen only if HZ < USER_HZ.
- */
- if (HZ < USER_HZ && ~rt_expires && rt_expires > 0x7FFFFFFF / USER_HZ)
- rt_expires = 0x7FFFFFFF / USER_HZ;
+ if (addrconf_finite_timeout(rt_expires))
+ rt_expires *= HZ;
- if (pinfo->onlink) {
- struct rt6_info *rt;
rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
dev->ifindex, 1);
@@ -1794,7 +1793,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
if (valid_lft == 0) {
ip6_del_rt(rt);
rt = NULL;
- } else if (~rt_expires) {
+ } else if (addrconf_finite_timeout(rt_expires)) {
/* not infinity */
rt->rt6i_expires = jiffies + rt_expires;
rt->rt6i_flags |= RTF_EXPIRES;
@@ -1803,9 +1802,9 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
rt->rt6i_expires = 0;
}
} else if (valid_lft) {
- int flags = RTF_ADDRCONF | RTF_PREFIX_RT;
clock_t expires = 0;
- if (~rt_expires) {
+ int flags = RTF_ADDRCONF | RTF_PREFIX_RT;
+ if (addrconf_finite_timeout(rt_expires)) {
/* not infinity */
flags |= RTF_EXPIRES;
expires = jiffies_to_clock_t(rt_expires);
@@ -2027,7 +2026,7 @@ err_exit:
* Manual configuration of address on an interface
*/
static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
- int plen, __u8 ifa_flags, __u32 prefered_lft,
+ unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
__u32 valid_lft)
{
struct inet6_ifaddr *ifp;
@@ -2036,9 +2035,13 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
int scope;
u32 flags;
clock_t expires;
+ unsigned long timeout;
ASSERT_RTNL();
+ if (plen > 128)
+ return -EINVAL;
+
/* check the lifetime */
if (!valid_lft || prefered_lft > valid_lft)
return -EINVAL;
@@ -2052,22 +2055,23 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
scope = ipv6_addr_scope(pfx);
- if (valid_lft == INFINITY_LIFE_TIME) {
- ifa_flags |= IFA_F_PERMANENT;
- flags = 0;
- expires = 0;
- } else {
- if (valid_lft >= 0x7FFFFFFF/HZ)
- valid_lft = 0x7FFFFFFF/HZ;
+ timeout = addrconf_timeout_fixup(valid_lft, HZ);
+ if (addrconf_finite_timeout(timeout)) {
+ expires = jiffies_to_clock_t(timeout * HZ);
+ valid_lft = timeout;
flags = RTF_EXPIRES;
- expires = jiffies_to_clock_t(valid_lft * HZ);
+ } else {
+ expires = 0;
+ flags = 0;
+ ifa_flags |= IFA_F_PERMANENT;
}
- if (prefered_lft == 0)
- ifa_flags |= IFA_F_DEPRECATED;
- else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
- (prefered_lft != INFINITY_LIFE_TIME))
- prefered_lft = 0x7FFFFFFF/HZ;
+ timeout = addrconf_timeout_fixup(prefered_lft, HZ);
+ if (addrconf_finite_timeout(timeout)) {
+ if (timeout == 0)
+ ifa_flags |= IFA_F_DEPRECATED;
+ prefered_lft = timeout;
+ }
ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
@@ -2095,12 +2099,15 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
}
static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx,
- int plen)
+ unsigned int plen)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
+ if (plen > 128)
+ return -EINVAL;
+
dev = __dev_get_by_index(net, ifindex);
if (!dev)
return -ENODEV;
@@ -3169,26 +3176,28 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
{
u32 flags;
clock_t expires;
+ unsigned long timeout;
if (!valid_lft || (prefered_lft > valid_lft))
return -EINVAL;
- if (valid_lft == INFINITY_LIFE_TIME) {
- ifa_flags |= IFA_F_PERMANENT;
- flags = 0;
- expires = 0;
- } else {
- if (valid_lft >= 0x7FFFFFFF/HZ)
- valid_lft = 0x7FFFFFFF/HZ;
+ timeout = addrconf_timeout_fixup(valid_lft, HZ);
+ if (addrconf_finite_timeout(timeout)) {
+ expires = jiffies_to_clock_t(timeout * HZ);
+ valid_lft = timeout;
flags = RTF_EXPIRES;
- expires = jiffies_to_clock_t(valid_lft * HZ);
+ } else {
+ expires = 0;
+ flags = 0;
+ ifa_flags |= IFA_F_PERMANENT;
}
- if (prefered_lft == 0)
- ifa_flags |= IFA_F_DEPRECATED;
- else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
- (prefered_lft != INFINITY_LIFE_TIME))
- prefered_lft = 0x7FFFFFFF/HZ;
+ timeout = addrconf_timeout_fixup(prefered_lft, HZ);
+ if (addrconf_finite_timeout(timeout)) {
+ if (timeout == 0)
+ ifa_flags |= IFA_F_DEPRECATED;
+ prefered_lft = timeout;
+ }
spin_lock_bh(&ifp->lock);
ifp->flags = (ifp->flags & ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | IFA_F_HOMEADDRESS)) | ifa_flags;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 94fa6ae77cfe..b9c2de84a8a2 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -496,7 +496,8 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
return 0;
}
-int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
+int datagram_send_ctl(struct net *net,
+ struct msghdr *msg, struct flowi *fl,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass)
{
@@ -509,7 +510,6 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
int addr_type;
- struct net_device *dev = NULL;
if (!CMSG_OK(msg, cmsg)) {
err = -EINVAL;
@@ -522,6 +522,9 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
switch (cmsg->cmsg_type) {
case IPV6_PKTINFO:
case IPV6_2292PKTINFO:
+ {
+ struct net_device *dev = NULL;
+
if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
err = -EINVAL;
goto exit_f;
@@ -535,32 +538,32 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
fl->oif = src_info->ipi6_ifindex;
}
- addr_type = ipv6_addr_type(&src_info->ipi6_addr);
+ addr_type = __ipv6_addr_type(&src_info->ipi6_addr);
- if (addr_type == IPV6_ADDR_ANY)
- break;
+ if (fl->oif) {
+ dev = dev_get_by_index(net, fl->oif);
+ if (!dev)
+ return -ENODEV;
+ } else if (addr_type & IPV6_ADDR_LINKLOCAL)
+ return -EINVAL;
- if (addr_type & IPV6_ADDR_LINKLOCAL) {
- if (!src_info->ipi6_ifindex)
- return -EINVAL;
- else {
- dev = dev_get_by_index(&init_net, src_info->ipi6_ifindex);
- if (!dev)
- return -ENODEV;
- }
- }
- if (!ipv6_chk_addr(&init_net, &src_info->ipi6_addr,
- dev, 0)) {
- if (dev)
- dev_put(dev);
- err = -EINVAL;
- goto exit_f;
+ if (addr_type != IPV6_ADDR_ANY) {
+ int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
+ if (!ipv6_chk_addr(net, &src_info->ipi6_addr,
+ strict ? dev : NULL, 0))
+ err = -EINVAL;
+ else
+ ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
}
+
if (dev)
dev_put(dev);
- ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
+ if (err)
+ goto exit_f;
+
break;
+ }
case IPV6_FLOWINFO:
if (cmsg->cmsg_len < CMSG_LEN(4)) {
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index eb7a940310f4..37a4e777e347 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -354,7 +354,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
msg.msg_control = (void*)(fl->opt+1);
flowi.oif = 0;
- err = datagram_send_ctl(&msg, &flowi, fl->opt, &junk, &junk);
+ err = datagram_send_ctl(net, &msg, &flowi, fl->opt, &junk, &junk);
if (err)
goto done;
err = -EINVAL;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 56d55fecf8ec..26b83e512a09 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -161,9 +161,17 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
struct ipv6_txoptions *opt;
struct sk_buff *pktopt;
- if (sk->sk_protocol != IPPROTO_UDP &&
- sk->sk_protocol != IPPROTO_UDPLITE &&
- sk->sk_protocol != IPPROTO_TCP)
+ if (sk->sk_type == SOCK_RAW)
+ break;
+
+ if (sk->sk_protocol == IPPROTO_UDP ||
+ sk->sk_protocol == IPPROTO_UDPLITE) {
+ struct udp_sock *up = udp_sk(sk);
+ if (up->pending == AF_INET6) {
+ retv = -EBUSY;
+ break;
+ }
+ } else if (sk->sk_protocol != IPPROTO_TCP)
break;
if (sk->sk_state != TCP_ESTABLISHED) {
@@ -416,7 +424,7 @@ sticky_done:
msg.msg_controllen = optlen;
msg.msg_control = (void*)(opt+1);
- retv = datagram_send_ctl(&msg, &fl, opt, &junk, &junk);
+ retv = datagram_send_ctl(net, &msg, &fl, opt, &junk, &junk);
if (retv)
goto done;
update:
@@ -832,7 +840,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
len = min_t(unsigned int, len, ipv6_optlen(hdr));
if (copy_to_user(optval, hdr, len))
return -EFAULT;
- return ipv6_optlen(hdr);
+ return len;
}
static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
@@ -975,6 +983,9 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
len = ipv6_getsockopt_sticky(sk, np->opt,
optname, optval, len);
release_sock(sk);
+ /* check if ipv6_getsockopt_sticky() returns err code */
+ if (len < 0)
+ return len;
return put_user(len, optlen);
}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 232e0dc45bf5..603df76e0522 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -813,7 +813,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
- err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
+ err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 48534c6c0735..220cffe9e63b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -446,7 +446,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
struct route_info *rinfo = (struct route_info *) opt;
struct in6_addr prefix_buf, *prefix;
unsigned int pref;
- u32 lifetime;
+ unsigned long lifetime;
struct rt6_info *rt;
if (len < sizeof(struct route_info)) {
@@ -472,13 +472,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
if (pref == ICMPV6_ROUTER_PREF_INVALID)
pref = ICMPV6_ROUTER_PREF_MEDIUM;
- lifetime = ntohl(rinfo->lifetime);
- if (lifetime == 0xffffffff) {
- /* infinity */
- } else if (lifetime > 0x7fffffff/HZ - 1) {
- /* Avoid arithmetic overflow */
- lifetime = 0x7fffffff/HZ - 1;
- }
+ lifetime = addrconf_timeout_fixup(ntohl(rinfo->lifetime), HZ);
if (rinfo->length == 3)
prefix = (struct in6_addr *)rinfo->prefix;
@@ -506,7 +500,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
(rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref);
if (rt) {
- if (lifetime == 0xffffffff) {
+ if (!addrconf_finite_timeout(lifetime)) {
rt->rt6i_flags &= ~RTF_EXPIRES;
} else {
rt->rt6i_expires = jiffies + HZ * lifetime;
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 6323921b40be..669f280989c3 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -109,7 +109,7 @@ static int tunnel46_rcv(struct sk_buff *skb)
{
struct xfrm6_tunnel *handler;
- if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+ if (!pskb_may_pull(skb, sizeof(struct iphdr)))
goto drop;
for (handler = tunnel46_handlers; handler; handler = handler->next)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1fd784f3e2ec..dd309626ae9a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -534,7 +534,9 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
{
struct udp_sock *up = udp_sk(sk);
- if (up->pending) {
+ if (up->pending == AF_INET)
+ udp_flush_pending_frames(sk);
+ else if (up->pending) {
up->len = 0;
up->pending = 0;
ip6_flush_pending_frames(sk);
@@ -731,7 +733,7 @@ do_udp_sendmsg:
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
- err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
+ err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
@@ -848,12 +850,14 @@ do_append_data:
} else {
dst_release(dst);
}
+ dst = NULL;
}
if (err > 0)
err = np->recverr ? net_xmit_errno(err) : 0;
release_sock(sk);
out:
+ dst_release(dst);
fl6_sock_release(flowlabel);
if (!err)
return len;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index e45e44c60635..e4aac3266fcd 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -299,7 +299,8 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
/* Fills in the source address(saddr) based on the destination address(daddr)
* and asoc's bind address list.
*/
-static void sctp_v6_get_saddr(struct sctp_association *asoc,
+static void sctp_v6_get_saddr(struct sctp_sock *sk,
+ struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr)
@@ -318,7 +319,7 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
if (!asoc) {
ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL,
&daddr->v6.sin6_addr,
- inet6_sk(asoc->base.sk)->srcprefs,
+ inet6_sk(&sk->inet.sk)->srcprefs,
&saddr->v6.sin6_addr);
SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
NIP6(saddr->v6.sin6_addr));
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 0ec234b762c2..13ee7fa92e07 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -519,7 +519,8 @@ out:
/* For v4, the source address is cached in the route entry(dst). So no need
* to cache it separately and hence this is an empty routine.
*/
-static void sctp_v4_get_saddr(struct sctp_association *asoc,
+static void sctp_v4_get_saddr(struct sctp_sock *sk,
+ struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr)
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index f4938f6c5abe..62082e7b7972 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -291,7 +291,7 @@ void sctp_transport_route(struct sctp_transport *transport,
if (saddr)
memcpy(&transport->saddr, saddr, sizeof(union sctp_addr));
else
- af->get_saddr(asoc, dst, daddr, &transport->saddr);
+ af->get_saddr(opt, asoc, dst, daddr, &transport->saddr);
transport->dst = dst;
if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) {

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