[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>

1 files changed, 27 insertions, 28 deletions

diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 69233f6aa05c..f1c2a2defd70 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -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);