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-rw-r--r--net/ipv6/netfilter/ip6_queue.c2
-rw-r--r--net/ipv6/netfilter/ip6_tables.c51
-rw-r--r--net/ipv6/netfilter/ip6t_LOG.c6
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c7
-rw-r--r--net/ipv6/netfilter/ip6t_ipv6header.c3
-rw-r--r--net/ipv6/netfilter/ip6t_rt.c3
-rw-r--r--net/ipv6/netfilter/ip6table_filter.c2
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c2
-rw-r--r--net/ipv6/netfilter/ip6table_raw.c2
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c14
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c29
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c23
12 files changed, 76 insertions, 68 deletions
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 8d366f7f2a9a..92a36c9e5402 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -484,7 +484,7 @@ ipq_rcv_dev_event(struct notifier_block *this,
{
struct net_device *dev = ptr;
- if (dev->nd_net != &init_net)
+ if (dev_net(dev) != &init_net)
return NOTIFY_DONE;
/* Drop any packets associated with the downed device */
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index bf9bb6e55bb5..0b4557e03431 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -55,7 +55,7 @@ MODULE_DESCRIPTION("IPv6 packet filter");
do { \
if (!(x)) \
printk("IP_NF_ASSERT: %s:%s:%u\n", \
- __FUNCTION__, __FILE__, __LINE__); \
+ __func__, __FILE__, __LINE__); \
} while(0)
#else
#define IP_NF_ASSERT(x)
@@ -325,7 +325,7 @@ static void trace_packet(struct sk_buff *skb,
struct ip6t_entry *e)
{
void *table_base;
- struct ip6t_entry *root;
+ const struct ip6t_entry *root;
char *hookname, *chainname, *comment;
unsigned int rulenum = 0;
@@ -952,7 +952,7 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
{
unsigned int countersize;
struct xt_counters *counters;
- struct xt_table_info *private = table->private;
+ const struct xt_table_info *private = table->private;
/* We need atomic snapshot of counters: rest doesn't change
(other than comefrom, which userspace doesn't care
@@ -979,9 +979,9 @@ copy_entries_to_user(unsigned int total_size,
unsigned int off, num;
struct ip6t_entry *e;
struct xt_counters *counters;
- struct xt_table_info *private = table->private;
+ const struct xt_table_info *private = table->private;
int ret = 0;
- void *loc_cpu_entry;
+ const void *loc_cpu_entry;
counters = alloc_counters(table);
if (IS_ERR(counters))
@@ -1001,8 +1001,8 @@ copy_entries_to_user(unsigned int total_size,
/* ... then go back and fix counters and names */
for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){
unsigned int i;
- struct ip6t_entry_match *m;
- struct ip6t_entry_target *t;
+ const struct ip6t_entry_match *m;
+ const struct ip6t_entry_target *t;
e = (struct ip6t_entry *)(loc_cpu_entry + off);
if (copy_to_user(userptr + off
@@ -1142,7 +1142,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
"ip6table_%s", name);
if (t && !IS_ERR(t)) {
struct ip6t_getinfo info;
- struct xt_table_info *private = t->private;
+ const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
if (compat) {
@@ -1206,7 +1206,7 @@ get_entries(struct net *net, struct ip6t_get_entries __user *uptr, int *len)
else {
duprintf("get_entries: I've got %u not %u!\n",
private->size, get.size);
- ret = -EINVAL;
+ ret = -EAGAIN;
}
module_put(t->me);
xt_table_unlock(t);
@@ -1225,7 +1225,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
struct xt_table *t;
struct xt_table_info *oldinfo;
struct xt_counters *counters;
- void *loc_cpu_old_entry;
+ const void *loc_cpu_old_entry;
ret = 0;
counters = vmalloc_node(num_counters * sizeof(struct xt_counters),
@@ -1369,9 +1369,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
int size;
void *ptmp;
struct xt_table *t;
- struct xt_table_info *private;
+ const struct xt_table_info *private;
int ret = 0;
- void *loc_cpu_entry;
+ const void *loc_cpu_entry;
#ifdef CONFIG_COMPAT
struct compat_xt_counters_info compat_tmp;
@@ -1879,11 +1879,11 @@ compat_do_ip6t_set_ctl(struct sock *sk, int cmd, void __user *user,
switch (cmd) {
case IP6T_SO_SET_REPLACE:
- ret = compat_do_replace(sk->sk_net, user, len);
+ ret = compat_do_replace(sock_net(sk), user, len);
break;
case IP6T_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 1);
+ ret = do_add_counters(sock_net(sk), user, len, 1);
break;
default:
@@ -1905,11 +1905,11 @@ compat_copy_entries_to_user(unsigned int total_size, struct xt_table *table,
void __user *userptr)
{
struct xt_counters *counters;
- struct xt_table_info *private = table->private;
+ const struct xt_table_info *private = table->private;
void __user *pos;
unsigned int size;
int ret = 0;
- void *loc_cpu_entry;
+ const void *loc_cpu_entry;
unsigned int i = 0;
counters = alloc_counters(table);
@@ -1956,7 +1956,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr,
xt_compat_lock(AF_INET6);
t = xt_find_table_lock(net, AF_INET6, get.name);
if (t && !IS_ERR(t)) {
- struct xt_table_info *private = t->private;
+ const struct xt_table_info *private = t->private;
struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number);
ret = compat_table_info(private, &info);
@@ -1966,7 +1966,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr,
} else if (!ret) {
duprintf("compat_get_entries: I've got %u not %u!\n",
private->size, get.size);
- ret = -EINVAL;
+ ret = -EAGAIN;
}
xt_compat_flush_offsets(AF_INET6);
module_put(t->me);
@@ -1990,10 +1990,10 @@ compat_do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
switch (cmd) {
case IP6T_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 1);
+ ret = get_info(sock_net(sk), user, len, 1);
break;
case IP6T_SO_GET_ENTRIES:
- ret = compat_get_entries(sk->sk_net, user, len);
+ ret = compat_get_entries(sock_net(sk), user, len);
break;
default:
ret = do_ip6t_get_ctl(sk, cmd, user, len);
@@ -2012,11 +2012,11 @@ do_ip6t_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
switch (cmd) {
case IP6T_SO_SET_REPLACE:
- ret = do_replace(sk->sk_net, user, len);
+ ret = do_replace(sock_net(sk), user, len);
break;
case IP6T_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 0);
+ ret = do_add_counters(sock_net(sk), user, len, 0);
break;
default:
@@ -2037,11 +2037,11 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
switch (cmd) {
case IP6T_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 0);
+ ret = get_info(sock_net(sk), user, len, 0);
break;
case IP6T_SO_GET_ENTRIES:
- ret = get_entries(sk->sk_net, user, len);
+ ret = get_entries(sock_net(sk), user, len);
break;
case IP6T_SO_GET_REVISION_MATCH:
@@ -2155,7 +2155,8 @@ icmp6_match(const struct sk_buff *skb,
unsigned int protoff,
bool *hotdrop)
{
- struct icmp6hdr _icmph, *ic;
+ const struct icmp6hdr *ic;
+ struct icmp6hdr _icmph;
const struct ip6t_icmp *icmpinfo = matchinfo;
/* Must not be a fragment. */
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 86a613810b69..3a2316974f83 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -363,11 +363,15 @@ static void dump_packet(const struct nf_loginfo *info,
if ((logflags & IP6T_LOG_UID) && recurse && skb->sk) {
read_lock_bh(&skb->sk->sk_callback_lock);
if (skb->sk->sk_socket && skb->sk->sk_socket->file)
- printk("UID=%u GID=%u",
+ printk("UID=%u GID=%u ",
skb->sk->sk_socket->file->f_uid,
skb->sk->sk_socket->file->f_gid);
read_unlock_bh(&skb->sk->sk_callback_lock);
}
+
+ /* Max length: 16 "MARK=0xFFFFFFFF " */
+ if (!recurse && skb->mark)
+ printk("MARK=0x%x ", skb->mark);
}
static struct nf_loginfo default_loginfo = {
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index b23baa635fe0..44c8d65a2431 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -41,7 +41,8 @@ static void send_reset(struct sk_buff *oldskb)
struct tcphdr otcph, *tcph;
unsigned int otcplen, hh_len;
int tcphoff, needs_ack;
- struct ipv6hdr *oip6h = ipv6_hdr(oldskb), *ip6h;
+ const struct ipv6hdr *oip6h = ipv6_hdr(oldskb);
+ struct ipv6hdr *ip6h;
struct dst_entry *dst = NULL;
u8 proto;
struct flowi fl;
@@ -93,7 +94,7 @@ static void send_reset(struct sk_buff *oldskb)
fl.fl_ip_sport = otcph.dest;
fl.fl_ip_dport = otcph.source;
security_skb_classify_flow(oldskb, &fl);
- dst = ip6_route_output(NULL, &fl);
+ dst = ip6_route_output(&init_net, NULL, &fl);
if (dst == NULL)
return;
if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0))
@@ -177,7 +178,7 @@ reject_tg6(struct sk_buff *skb, const struct net_device *in,
{
const struct ip6t_reject_info *reject = targinfo;
- pr_debug("%s: medium point\n", __FUNCTION__);
+ pr_debug("%s: medium point\n", __func__);
/* WARNING: This code causes reentry within ip6tables.
This means that the ip6tables jump stack is now crap. We
must return an absolute verdict. --RR */
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 3a940171f829..317a8960a757 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -49,7 +49,8 @@ ipv6header_mt6(const struct sk_buff *skb, const struct net_device *in,
temp = 0;
while (ip6t_ext_hdr(nexthdr)) {
- struct ipv6_opt_hdr _hdr, *hp;
+ const struct ipv6_opt_hdr *hp;
+ struct ipv6_opt_hdr _hdr;
int hdrlen;
/* Is there enough space for the next ext header? */
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 12a9efe9886e..81aaf7aaaabf 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -110,7 +110,8 @@ rt_mt6(const struct sk_buff *skb, const struct net_device *in,
!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
if (ret && (rtinfo->flags & IP6T_RT_RES)) {
- u_int32_t *rp, _reserved;
+ const u_int32_t *rp;
+ u_int32_t _reserved;
rp = skb_header_pointer(skb,
ptr + offsetof(struct rt0_hdr,
reserved),
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 2d9cd095a72c..f979e48b469b 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -54,7 +54,7 @@ static struct
static struct xt_table packet_filter = {
.name = "filter",
.valid_hooks = FILTER_VALID_HOOKS,
- .lock = RW_LOCK_UNLOCKED,
+ .lock = __RW_LOCK_UNLOCKED(packet_filter.lock),
.me = THIS_MODULE,
.af = AF_INET6,
};
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 035343a90ffe..27a5e8b48d93 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -60,7 +60,7 @@ static struct
static struct xt_table packet_mangler = {
.name = "mangle",
.valid_hooks = MANGLE_VALID_HOOKS,
- .lock = RW_LOCK_UNLOCKED,
+ .lock = __RW_LOCK_UNLOCKED(packet_mangler.lock),
.me = THIS_MODULE,
.af = AF_INET6,
};
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 5cd84203abfe..92b91077ac29 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -38,7 +38,7 @@ static struct
static struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
- .lock = RW_LOCK_UNLOCKED,
+ .lock = __RW_LOCK_UNLOCKED(packet_raw.lock),
.me = THIS_MODULE,
.af = AF_INET6,
};
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 3717bdf34f6e..85050c072abd 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -27,8 +27,8 @@
#include <net/netfilter/nf_conntrack_l3proto.h>
#include <net/netfilter/nf_conntrack_core.h>
-static int ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
- struct nf_conntrack_tuple *tuple)
+static bool ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
+ struct nf_conntrack_tuple *tuple)
{
const u_int32_t *ap;
u_int32_t _addrs[8];
@@ -36,21 +36,21 @@ static int ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
ap = skb_header_pointer(skb, nhoff + offsetof(struct ipv6hdr, saddr),
sizeof(_addrs), _addrs);
if (ap == NULL)
- return 0;
+ return false;
memcpy(tuple->src.u3.ip6, ap, sizeof(tuple->src.u3.ip6));
memcpy(tuple->dst.u3.ip6, ap + 4, sizeof(tuple->dst.u3.ip6));
- return 1;
+ return true;
}
-static int ipv6_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool ipv6_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
{
memcpy(tuple->src.u3.ip6, orig->dst.u3.ip6, sizeof(tuple->src.u3.ip6));
memcpy(tuple->dst.u3.ip6, orig->src.u3.ip6, sizeof(tuple->dst.u3.ip6));
- return 1;
+ return true;
}
static int ipv6_print_tuple(struct seq_file *s,
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 0897d0f4c4a2..ee713b03e9ec 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -28,21 +28,21 @@
static unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
-static int icmpv6_pkt_to_tuple(const struct sk_buff *skb,
- unsigned int dataoff,
- struct nf_conntrack_tuple *tuple)
+static bool icmpv6_pkt_to_tuple(const struct sk_buff *skb,
+ unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
{
const struct icmp6hdr *hp;
struct icmp6hdr _hdr;
hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
if (hp == NULL)
- return 0;
+ return false;
tuple->dst.u.icmp.type = hp->icmp6_type;
tuple->src.u.icmp.id = hp->icmp6_identifier;
tuple->dst.u.icmp.code = hp->icmp6_code;
- return 1;
+ return true;
}
/* Add 1; spaces filled with 0. */
@@ -53,17 +53,17 @@ static const u_int8_t invmap[] = {
[ICMPV6_NI_REPLY - 128] = ICMPV6_NI_REPLY +1
};
-static int icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
{
int type = orig->dst.u.icmp.type - 128;
if (type < 0 || type >= sizeof(invmap) || !invmap[type])
- return 0;
+ return false;
tuple->src.u.icmp.id = orig->src.u.icmp.id;
tuple->dst.u.icmp.type = invmap[type] - 1;
tuple->dst.u.icmp.code = orig->dst.u.icmp.code;
- return 1;
+ return true;
}
/* Print out the per-protocol part of the tuple. */
@@ -102,9 +102,8 @@ static int icmpv6_packet(struct nf_conn *ct,
}
/* Called when a new connection for this protocol found. */
-static int icmpv6_new(struct nf_conn *ct,
- const struct sk_buff *skb,
- unsigned int dataoff)
+static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff)
{
static const u_int8_t valid_new[] = {
[ICMPV6_ECHO_REQUEST - 128] = 1,
@@ -116,11 +115,11 @@ static int icmpv6_new(struct nf_conn *ct,
/* Can't create a new ICMPv6 `conn' with this. */
pr_debug("icmpv6: can't create new conn with type %u\n",
type + 128);
- NF_CT_DUMP_TUPLE(&ct->tuplehash[0].tuple);
- return 0;
+ nf_ct_dump_tuple_ipv6(&ct->tuplehash[0].tuple);
+ return false;
}
atomic_set(&ct->proto.icmp.count, 0);
- return 1;
+ return true;
}
static int
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 24c0d03095bf..2dccad48058c 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -103,8 +103,8 @@ struct ctl_table nf_ct_ipv6_sysctl_table[] = {
};
#endif
-static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr,
- struct in6_addr *daddr)
+static unsigned int ip6qhashfn(__be32 id, const struct in6_addr *saddr,
+ const struct in6_addr *daddr)
{
u32 a, b, c;
@@ -132,7 +132,7 @@ static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr,
static unsigned int nf_hashfn(struct inet_frag_queue *q)
{
- struct nf_ct_frag6_queue *nq;
+ const struct nf_ct_frag6_queue *nq;
nq = container_of(q, struct nf_ct_frag6_queue, q);
return ip6qhashfn(nq->id, &nq->saddr, &nq->daddr);
@@ -185,7 +185,7 @@ static void nf_ct_frag6_expire(unsigned long data)
spin_lock(&fq->q.lock);
- if (fq->q.last_in & COMPLETE)
+ if (fq->q.last_in & INET_FRAG_COMPLETE)
goto out;
fq_kill(fq);
@@ -222,12 +222,12 @@ oom:
static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
- struct frag_hdr *fhdr, int nhoff)
+ const struct frag_hdr *fhdr, int nhoff)
{
struct sk_buff *prev, *next;
int offset, end;
- if (fq->q.last_in & COMPLETE) {
+ if (fq->q.last_in & INET_FRAG_COMPLETE) {
pr_debug("Allready completed\n");
goto err;
}
@@ -254,11 +254,11 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
* or have different end, the segment is corrupted.
*/
if (end < fq->q.len ||
- ((fq->q.last_in & LAST_IN) && end != fq->q.len)) {
+ ((fq->q.last_in & INET_FRAG_LAST_IN) && end != fq->q.len)) {
pr_debug("already received last fragment\n");
goto err;
}
- fq->q.last_in |= LAST_IN;
+ fq->q.last_in |= INET_FRAG_LAST_IN;
fq->q.len = end;
} else {
/* Check if the fragment is rounded to 8 bytes.
@@ -273,7 +273,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
}
if (end > fq->q.len) {
/* Some bits beyond end -> corruption. */
- if (fq->q.last_in & LAST_IN) {
+ if (fq->q.last_in & INET_FRAG_LAST_IN) {
pr_debug("last packet already reached.\n");
goto err;
}
@@ -385,7 +385,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
*/
if (offset == 0) {
fq->nhoffset = nhoff;
- fq->q.last_in |= FIRST_IN;
+ fq->q.last_in |= INET_FRAG_FIRST_IN;
}
write_lock(&nf_frags.lock);
list_move_tail(&fq->q.lru_list, &nf_init_frags.lru_list);
@@ -647,7 +647,8 @@ struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
goto ret_orig;
}
- if (fq->q.last_in == (FIRST_IN|LAST_IN) && fq->q.meat == fq->q.len) {
+ if (fq->q.last_in == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
+ fq->q.meat == fq->q.len) {
ret_skb = nf_ct_frag6_reasm(fq, dev);
if (ret_skb == NULL)
pr_debug("Can't reassemble fragmented packets\n");
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