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Subject[PATCH -mm 1/9] netconsole: Cleanups, codingstyle, prettyfication
From: Satyam Sharma <ssatyam@cse.iitk.ac.in>

[1/9] netconsole: Cleanups, codingstyle, prettyfication

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

Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in>
Cc: Keiichi Kii <k-keiichi@bx.jp.nec.com>
Cc: Takayoshi Kochi <t-kochi@bq.jp.nec.com>

---
drivers/net/netconsole.c | 55 +++++++++++++++++++++++------------------------
1 file changed, 27 insertions(+), 28 deletions(-)
---
diff -ruNp a/drivers/net/netconsole.c b/drivers/net/netconsole.c
--- a/drivers/net/netconsole.c 2007-04-26 08:38:32.000000000 +0530
+++ b/drivers/net/netconsole.c 2007-07-03 20:27:17.000000000 +0530
@@ -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 *co

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 *co
}

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);
-
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