Merge ../linux-2.6-watchdog-mm

[pandora-kernel.git] / drivers / char / watchdog / sbc_epx_c3.c

diff --git a/drivers/char/watchdog/sbc_epx_c3.c b/drivers/char/watchdog/sbc_epx_c3.c
index 7a4dfb9..82cbd88 100644 (file)
--- a/drivers/char/watchdog/sbc_epx_c3.c
+++ b/drivers/char/watchdog/sbc_epx_c3.c
@@ -15,7 +15,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
@@ -36,7 +35,7 @@ static int epx_c3_alive;
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 #define EPXC3_WATCHDOG_CTL_REG 0x1ee /* write 1 to enable, 0 to disable */
 #define EPXC3_WATCHDOG_PET_REG 0x1ef /* write anything to pet once enabled */
@@ -92,7 +91,7 @@ static int epx_c3_release(struct inode *inode, struct file *file)
        return 0;
 }
 
-static ssize_t epx_c3_write(struct file *file, const char *data,
+static ssize_t epx_c3_write(struct file *file, const char __user *data,
                        size_t len, loff_t *ppos)
 {
        /* Refresh the timer. */
@@ -105,6 +104,7 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
                        unsigned int cmd, unsigned long arg)
 {
        int options, retval = -EINVAL;
+       int __user *argp = (void __user *)arg;
        static struct watchdog_info ident = {
                .options                = WDIOF_KEEPALIVEPING |
                                          WDIOF_MAGICCLOSE,
@@ -114,20 +114,19 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
 
        switch (cmd) {
        case WDIOC_GETSUPPORT:
-               if (copy_to_user((struct watchdog_info *)arg,
-                                &ident, sizeof(ident)))
+               if (copy_to_user(argp, &ident, sizeof(ident)))
                        return -EFAULT;
                return 0;
        case WDIOC_GETSTATUS:
        case WDIOC_GETBOOTSTATUS:
-               return put_user(0,(int *)arg);
+               return put_user(0, argp);
        case WDIOC_KEEPALIVE:
                epx_c3_pet();
                return 0;
        case WDIOC_GETTIMEOUT:
-               return put_user(WATCHDOG_TIMEOUT,(int *)arg);
-       case WDIOC_SETOPTIONS: {
-               if (get_user(options, (int *)arg))
+               return put_user(WATCHDOG_TIMEOUT, argp);
+       case WDIOC_SETOPTIONS:
+               if (get_user(options, argp))
                        return -EFAULT;
 
                if (options & WDIOS_DISABLECARD) {
@@ -141,9 +140,8 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
                }
 
                return retval;
-       }
        default:
-               return -ENOIOCTLCMD;
+               return -ENOTTY;
        }
 }
 
@@ -156,7 +154,7 @@ static int epx_c3_notify_sys(struct notifier_block *this, unsigned long code,
        return NOTIFY_DONE;
 }
 
-static struct file_operations epx_c3_fops = {
+static const struct file_operations epx_c3_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = epx_c3_write,