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Date: Fri, 13 Nov 2015 11:40:34 +0100
From: Bastian Stender <bst@...gutronix.de>
To: "David S . Miller" <davem@...emloft.net>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
James Morris <jmorris@...ei.org>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Patrick McHardy <kaber@...sh.net>
Cc: netdev@...r.kernel.org, trivial@...nel.org, kernel@...gutronix.de,
Bastian Stender <bst@...gutronix.de>
Subject: [PATCH] net ipv4: use preferred log methods
Replace printk calls with preferred unconditional log method calls to keep
kernel messages clean.
Added newline to "too small MTU" message.
Signed-off-by: Bastian Stender <bst@...gutronix.de>
---
net/ipv4/ipconfig.c | 73 ++++++++++----------------
net/ipv4/netfilter/arp_tables.c | 6 +--
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 2 +-
net/ipv4/netfilter/nf_nat_snmp_basic.c | 22 ++++----
4 files changed, 44 insertions(+), 59 deletions(-)
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0bc7412..e86e8a9 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -65,15 +65,6 @@
#include <net/checksum.h>
#include <asm/processor.h>
-/* Define this to allow debugging output */
-#undef IPCONFIG_DEBUG
-
-#ifdef IPCONFIG_DEBUG
-#define DBG(x) printk x
-#else
-#define DBG(x) do { } while(0)
-#endif
-
#if defined(CONFIG_IP_PNP_DHCP)
#define IPCONFIG_DHCP
#endif
@@ -227,7 +218,7 @@ static int __init ic_open_devs(void)
if (dev->mtu >= 364)
able |= IC_BOOTP;
else
- pr_warn("DHCP/BOOTP: Ignoring device %s, MTU %d too small",
+ pr_warn("DHCP/BOOTP: Ignoring device %s, MTU %d too small\n",
dev->name, dev->mtu);
if (!(dev->flags & IFF_NOARP))
able |= IC_RARP;
@@ -254,8 +245,8 @@ static int __init ic_open_devs(void)
else
d->xid = 0;
ic_proto_have_if |= able;
- DBG(("IP-Config: %s UP (able=%d, xid=%08x)\n",
- dev->name, able, d->xid));
+ pr_debug("IP-Config: %s UP (able=%d, xid=%08x)\n",
+ dev->name, able, d->xid);
}
}
@@ -311,7 +302,7 @@ static void __init ic_close_devs(void)
next = d->next;
dev = d->dev;
if (dev != ic_dev && !netdev_uses_dsa(dev)) {
- DBG(("IP-Config: Downing %s\n", dev->name));
+ pr_debug("IP-Config: Downing %s\n", dev->name);
dev_change_flags(dev, d->flags);
}
kfree(d);
@@ -464,7 +455,8 @@ static int __init ic_defaults(void)
&ic_myaddr);
return -1;
}
- printk("IP-Config: Guessing netmask %pI4\n", &ic_netmask);
+ pr_notice("IP-Config: Guessing netmask %pI4\n",
+ &ic_netmask);
}
return 0;
@@ -675,9 +667,7 @@ ic_dhcp_init_options(u8 *options)
u8 *e = options;
int len;
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Sending message type %d\n", mt);
-#endif
+ pr_debug("DHCP: Sending message type %d\n", mt);
memcpy(e, ic_bootp_cookie, 4); /* RFC1048 Magic Cookie */
e += 4;
@@ -847,7 +837,8 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
else if (dev->type == ARPHRD_FDDI)
b->htype = ARPHRD_ETHER;
else {
- printk("Unknown ARP type 0x%04x for device %s\n", dev->type, dev->name);
+ pr_warn("Unknown ARP type 0x%04x for device %s\n", dev->type,
+ dev->name);
b->htype = dev->type; /* can cause undefined behavior */
}
@@ -904,14 +895,12 @@ static void __init ic_do_bootp_ext(u8 *ext)
int i;
__be16 mtu;
-#ifdef IPCONFIG_DEBUG
u8 *c;
- printk("DHCP/BOOTP: Got extension %d:",*ext);
+ pr_debug("DHCP/BOOTP: Got extension %d:", *ext);
for (c=ext+2; c<ext+2+ext[1]; c++)
- printk(" %02x", *c);
- printk("\n");
-#endif
+ pr_debug(" %02x", *c);
+ pr_debug("\n");
switch (*ext++) {
case 1: /* Subnet mask */
@@ -1080,9 +1069,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
}
}
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Got message type %d\n", mt);
-#endif
+ pr_debug("DHCP: Got message type %d\n", mt);
switch (mt) {
case DHCPOFFER:
@@ -1095,10 +1082,8 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
/* Let's accept that offer. */
ic_myaddr = b->your_ip;
ic_servaddr = server_id;
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Offered address %pI4 by server %pI4\n",
- &ic_myaddr, &b->iph.saddr);
-#endif
+ pr_debug("DHCP: Offered address %pI4 by server %pI4\n",
+ &ic_myaddr, &b->iph.saddr);
/* The DHCP indicated server address takes
* precedence over the bootp header one if
* they are different.
@@ -1254,13 +1239,13 @@ static int __init ic_dynamic(void)
(ic_proto_enabled & IC_USE_DHCP) &&
ic_dhcp_msgtype != DHCPACK) {
ic_got_reply = 0;
- pr_cont(",");
+ pr_notice(",");
continue;
}
#endif /* IPCONFIG_DHCP */
if (ic_got_reply) {
- pr_cont(" OK\n");
+ pr_notice(" OK\n");
break;
}
@@ -1268,7 +1253,7 @@ static int __init ic_dynamic(void)
continue;
if (! --retries) {
- pr_cont(" timed out!\n");
+ pr_notice(" timed out!\n");
break;
}
@@ -1278,7 +1263,7 @@ static int __init ic_dynamic(void)
if (timeout > CONF_TIMEOUT_MAX)
timeout = CONF_TIMEOUT_MAX;
- pr_cont(".");
+ pr_notice(".");
}
#ifdef IPCONFIG_BOOTP
@@ -1295,11 +1280,11 @@ static int __init ic_dynamic(void)
return -1;
}
- printk("IP-Config: Got %s answer from %pI4, ",
+ pr_info("IP-Config: Got %s answer from %pI4, ",
((ic_got_reply & IC_RARP) ? "RARP"
- : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
- &ic_addrservaddr);
- pr_cont("my address is %pI4\n", &ic_myaddr);
+ : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
+ &ic_addrservaddr);
+ pr_info("my address is %pI4\n", &ic_myaddr);
return 0;
}
@@ -1426,7 +1411,7 @@ static int __init ip_auto_config(void)
if (!ic_enable)
return 0;
- DBG(("IP-Config: Entered.\n"));
+ pr_debug("IP-Config: Entered.\n");
#ifdef IPCONFIG_DYNAMIC
try_try_again:
#endif
@@ -1548,8 +1533,8 @@ static int __init ip_auto_config(void)
}
for (i++; i < CONF_NAMESERVERS_MAX; i++)
if (ic_nameservers[i] != NONE)
- pr_cont(", nameserver%u=%pI4", i, &ic_nameservers[i]);
- pr_cont("\n");
+ pr_info(", nameserver%u=%pI4", i, &ic_nameservers[i]);
+ pr_info("\n");
#endif /* !SILENT */
return 0;
@@ -1585,7 +1570,7 @@ static int __init ic_proto_name(char *name)
return 1;
*v = 0;
if (kstrtou8(client_id, 0, dhcp_client_identifier))
- DBG("DHCP: Invalid client identifier type\n");
+ pr_debug("DHCP: Invalid client identifier type\n");
strncpy(dhcp_client_identifier + 1, v + 1, 251);
*v = ',';
}
@@ -1644,7 +1629,7 @@ static int __init ip_auto_config_setup(char *addrs)
if ((cp = strchr(ip, ':')))
*cp++ = '\0';
if (strlen(ip) > 0) {
- DBG(("IP-Config: Parameter #%d: `%s'\n", num, ip));
+ pr_debug("IP-Config: Parameter #%d: `%s'\n", num, ip);
switch (num) {
case 0:
if ((ic_myaddr = in_aton(ip)) == ANY)
@@ -1716,7 +1701,7 @@ static int __init vendor_class_identifier_setup(char *addrs)
if (strlcpy(vendor_class_identifier, addrs,
sizeof(vendor_class_identifier))
>= sizeof(vendor_class_identifier))
- pr_warn("DHCP: vendorclass too long, truncated to \"%s\"",
+ pr_warn("DHCP: vendorclass too long, truncated to \"%s\"\n",
vendor_class_identifier);
return 1;
}
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 11dccba..b488cac 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -38,13 +38,13 @@ MODULE_DESCRIPTION("arptables core");
/*#define DEBUG_ARP_TABLES_USER*/
#ifdef DEBUG_ARP_TABLES
-#define dprintf(format, args...) printk(format , ## args)
+#define dprintf(format, args...) pr_debug(format, ## args)
#else
#define dprintf(format, args...)
#endif
#ifdef DEBUG_ARP_TABLES_USER
-#define duprintf(format, args...) printk(format , ## args)
+#define duprintf(format, args...) pr_debug(format, ## args)
#else
#define duprintf(format, args...)
#endif
@@ -1905,7 +1905,7 @@ static int __init arp_tables_init(void)
if (ret < 0)
goto err4;
- printk(KERN_INFO "arp_tables: (C) 2002 David S. Miller\n");
+ pr_info("arp_tables: (C) 2002 David S. Miller\n");
return 0;
err4:
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 461ca92..e3c46e8 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -451,7 +451,7 @@ static int __init nf_conntrack_l3proto_ipv4_init(void)
ret = nf_register_sockopt(&so_getorigdst);
if (ret < 0) {
- printk(KERN_ERR "Unable to register netfilter socket option\n");
+ pr_err("Unable to register netfilter socket option\n");
return ret;
}
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index ddb894a..c9b52c3 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -1048,7 +1048,7 @@ static int snmp_parse_mangle(unsigned char *msg,
if (!asn1_uint_decode (&ctx, end, &vers))
return 0;
if (debug > 1)
- printk(KERN_DEBUG "bsalg: snmp version: %u\n", vers + 1);
+ pr_debug("bsalg: snmp version: %u\n", vers + 1);
if (vers > 1)
return 1;
@@ -1064,10 +1064,10 @@ static int snmp_parse_mangle(unsigned char *msg,
if (debug > 1) {
unsigned int i;
- printk(KERN_DEBUG "bsalg: community: ");
+ pr_debug("bsalg: community: ");
for (i = 0; i < comm.len; i++)
- printk("%c", comm.data[i]);
- printk("\n");
+ pr_cont("%c", comm.data[i]);
+ pr_cont("\n");
}
kfree(comm.data);
@@ -1091,9 +1091,9 @@ static int snmp_parse_mangle(unsigned char *msg,
};
if (pdutype > SNMP_PDU_TRAP2)
- printk(KERN_DEBUG "bsalg: bad pdu type %u\n", pdutype);
+ pr_debug("bsalg: bad pdu type %u\n", pdutype);
else
- printk(KERN_DEBUG "bsalg: pdu: %s\n", pdus[pdutype]);
+ pr_debug("bsalg: pdu: %s\n", pdus[pdutype]);
}
if (pdutype != SNMP_PDU_RESPONSE &&
pdutype != SNMP_PDU_TRAP1 && pdutype != SNMP_PDU_TRAP2)
@@ -1119,7 +1119,7 @@ static int snmp_parse_mangle(unsigned char *msg,
return 0;
if (debug > 1)
- printk(KERN_DEBUG "bsalg: request: id=0x%lx error_status=%u "
+ pr_debug("bsalg: request: id=0x%lx error_status=%u "
"error_index=%u\n", req.id, req.error_status,
req.error_index);
}
@@ -1145,13 +1145,13 @@ static int snmp_parse_mangle(unsigned char *msg,
}
if (debug > 1) {
- printk(KERN_DEBUG "bsalg: object: ");
+ pr_debug("bsalg: object: ");
for (i = 0; i < obj->id_len; i++) {
if (i > 0)
- printk(".");
- printk("%lu", obj->id[i]);
+ pr_cont(".");
+ pr_cont("%lu", obj->id[i]);
}
- printk(": type=%u\n", obj->type);
+ pr_cont(": type=%u\n", obj->type);
}
--
2.6.1
--
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