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netfilter: Use pr_cont where appropriate

Browse source 
Logging output was changed when simple printks without KERN_CONT
are now emitted on a new line and KERN_CONT is required to continue
lines so use pr_cont.

Miscellanea:

o realign arguments
o use print_hex_dump instead of a local variant

Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Joe Perches 2017-02-28 14:09:24 -08:00 • committed by Pablo Neira Ayuso
commit 13fa745da2
2 changed files with 19 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

34
net/bridge/netfilter/ebt_log.c
View file

@ -62,10 +62,10 @@ print_ports(const struct sk_buff *skb, uint8_t protocol, int offset)
pptr = skb_header_pointer(skb, offset,
sizeof(_ports), &_ports);
if (pptr == NULL) {
printk(" INCOMPLETE TCP/UDP header");
pr_cont(" INCOMPLETE TCP/UDP header");
return;
}
printk(" SPT=%u DPT=%u", ntohs(pptr->src), ntohs(pptr->dst));
pr_cont(" SPT=%u DPT=%u", ntohs(pptr->src), ntohs(pptr->dst));
}
}
@ -100,11 +100,11 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
printk(" INCOMPLETE IP header");
pr_cont(" INCOMPLETE IP header");
goto out;
}
printk(" IP SRC=%pI4 IP DST=%pI4, IP tos=0x%02X, IP proto=%d",
&ih->saddr, &ih->daddr, ih->tos, ih->protocol);
pr_cont(" IP SRC=%pI4 IP DST=%pI4, IP tos=0x%02X, IP proto=%d",
&ih->saddr, &ih->daddr, ih->tos, ih->protocol);
print_ports(skb, ih->protocol, ih->ihl*4);
goto out;
}
@ -120,11 +120,11 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
printk(" INCOMPLETE IPv6 header");
pr_cont(" INCOMPLETE IPv6 header");
goto out;
}
printk(" IPv6 SRC=%pI6 IPv6 DST=%pI6, IPv6 priority=0x%01X, Next Header=%d",
&ih->saddr, &ih->daddr, ih->priority, ih->nexthdr);
pr_cont(" IPv6 SRC=%pI6 IPv6 DST=%pI6, IPv6 priority=0x%01X, Next Header=%d",
&ih->saddr, &ih->daddr, ih->priority, ih->nexthdr);
nexthdr = ih->nexthdr;
offset_ph = ipv6_skip_exthdr(skb, sizeof(_iph), &nexthdr, &frag_off);
if (offset_ph == -1)
@ -142,12 +142,12 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ah = skb_header_pointer(skb, 0, sizeof(_arph), &_arph);
if (ah == NULL) {
printk(" INCOMPLETE ARP header");
pr_cont(" INCOMPLETE ARP header");
goto out;
}
printk(" ARP HTYPE=%d, PTYPE=0x%04x, OPCODE=%d",
ntohs(ah->ar_hrd), ntohs(ah->ar_pro),
ntohs(ah->ar_op));
pr_cont(" ARP HTYPE=%d, PTYPE=0x%04x, OPCODE=%d",
ntohs(ah->ar_hrd), ntohs(ah->ar_pro),
ntohs(ah->ar_op));
/* If it's for Ethernet and the lengths are OK,
* then log the ARP payload
@ -161,17 +161,17 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ap = skb_header_pointer(skb, sizeof(_arph),
sizeof(_arpp), &_arpp);
if (ap == NULL) {
printk(" INCOMPLETE ARP payload");
pr_cont(" INCOMPLETE ARP payload");
goto out;
}
printk(" ARP MAC SRC=%pM ARP IP SRC=%pI4 ARP MAC DST=%pM ARP IP DST=%pI4",
ap->mac_src, ap->ip_src, ap->mac_dst, ap->ip_dst);
pr_cont(" ARP MAC SRC=%pM ARP IP SRC=%pI4 ARP MAC DST=%pM ARP IP DST=%pI4",
ap->mac_src, ap->ip_src,
ap->mac_dst, ap->ip_dst);
}
}
out:
printk("\n");
pr_cont("\n");
spin_unlock_bh(&ebt_log_lock);
}
static unsigned int