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[NET] netconsole: Cleanups, codingstyle, prettyfication 

Based upon initial work by Keiichi Kii <k-keiichi@bx.jp.nec.com>.

(1) Remove unwanted headers.
(2) Mark __init and __exit as appropriate.
(3) Various trivial codingstyle and prettification stuff.

Signed-off-by: Satyam Sharma <satyam@infradead.org>
Signed-off-by: Keiichi Kii <k-keiichi@bx.jp.nec.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Satyam Sharma 2007-08-10 15:27:24 -07:00 committed by David S. Miller
parent ab66b4a7a3
commit d39badf05b
1 changed files with 27 additions and 28 deletions
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55
drivers/net/netconsole.c
View File

@ -35,35 +35,32 @@
****************************************************************/
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/console.h>
#include <linux/tty_driver.h>
#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/sysrq.h>
#include <linux/smp.h>
#include <linux/netpoll.h>
MODULE_AUTHOR("Maintainer: Matt Mackall <mpm@selenic.com>");
MODULE_DESCRIPTION("Console driver for network interfaces");
MODULE_LICENSE("GPL");
static char config[256];
module_param_string(netconsole, config, 256, 0);
#define MAX_PARAM_LENGTH 256
#define MAX_PRINT_CHUNK 1000
static char config[MAX_PARAM_LENGTH];
module_param_string(netconsole, config, MAX_PARAM_LENGTH, 0);
MODULE_PARM_DESC(netconsole, " netconsole=[src-port]@[src-ip]/[dev],[tgt-port]@<tgt-ip>/[tgt-macaddr]\n");
static struct netpoll np = {
.name = "netconsole",
.dev_name = "eth0",
.local_port = 6665,
.remote_port = 6666,
.remote_mac = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
.name = "netconsole",
.dev_name = "eth0",
.local_port = 6665,
.remote_port = 6666,
.remote_mac = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
};
static int configured = 0;
#define MAX_PRINT_CHUNK 1000
static int configured;
static void write_msg(struct console *con, const char *msg, unsigned int len)
{
@ -75,7 +72,7 @@ static void write_msg(struct console *con, const char *msg, unsigned int len)
local_irq_save(flags);
for(left = len; left; ) {
for (left = len; left;) {
frag = min(left, MAX_PRINT_CHUNK);
netpoll_send_udp(&np, msg, frag);
msg += frag;
@ -86,12 +83,12 @@ static void write_msg(struct console *con, const char *msg, unsigned int len)
}
static struct console netconsole = {
.name = "netcon",
.flags = CON_ENABLED | CON_PRINTBUFFER,
.write = write_msg
.name = "netcon",
.flags = CON_ENABLED | CON_PRINTBUFFER,
.write = write_msg,
};
static int option_setup(char *opt)
static int __init option_setup(char *opt)
{
configured = !netpoll_parse_options(&np, opt);
return 1;
@ -99,28 +96,30 @@ static int option_setup(char *opt)
__setup("netconsole=", option_setup);
static int init_netconsole(void)
static int __init init_netconsole(void)
{
int err;
int err = 0;
if(strlen(config))
if (strnlen(config, MAX_PARAM_LENGTH))
option_setup(config);
if(!configured) {
printk("netconsole: not configured, aborting\n");
return 0;
if (!configured) {
printk(KERN_INFO "netconsole: not configured, aborting\n");
goto out;
}
err = netpoll_setup(&np);
if (err)
return err;
goto out;
register_console(&netconsole);
printk(KERN_INFO "netconsole: network logging started\n");
return 0;
out:
return err;
}
static void cleanup_netconsole(void)
static void __exit cleanup_netconsole(void)
{
unregister_console(&netconsole);
netpoll_cleanup(&np);