X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fchar%2Fraw.c;h=89b718e326e5a0873ca0002cc76441a3c5469238;hb=ccaa36f73544163ef6e15eb29a620130755f6001;hp=15a7b408652449ee421a14cf1e1fcc56004eed4e;hpb=d42510a0f58c2583c37c8e9b7548e3a68545863a;p=powerpc.git

diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 15a7b40865..89b718e326 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -10,7 +10,6 @@
 
 #include <linux/init.h>
 #include <linux/fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/major.h>
 #include <linux/blkdev.h>
 #include <linux/module.h>
@@ -31,7 +30,7 @@ struct raw_device_data {
 static struct class *raw_class;
 static struct raw_device_data raw_devices[MAX_RAW_MINORS];
 static DEFINE_MUTEX(raw_mutex);
-static struct file_operations raw_ctl_fops;	     /* forward declaration */
+static const struct file_operations raw_ctl_fops; /* forward declaration */
 
 /*
  * Open/close code for raw IO.
@@ -239,43 +238,18 @@ out:
 	return err;
 }
 
-static ssize_t raw_file_write(struct file *file, const char __user *buf,
-				   size_t count, loff_t *ppos)
-{
-	struct iovec local_iov = {
-		.iov_base = (char __user *)buf,
-		.iov_len = count
-	};
-
-	return generic_file_write_nolock(file, &local_iov, 1, ppos);
-}
-
-static ssize_t raw_file_aio_write(struct kiocb *iocb, const char __user *buf,
-					size_t count, loff_t pos)
-{
-	struct iovec local_iov = {
-		.iov_base = (char __user *)buf,
-		.iov_len = count
-	};
-
-	return generic_file_aio_write_nolock(iocb, &local_iov, 1, &iocb->ki_pos);
-}
-
-
-static struct file_operations raw_fops = {
-	.read	=	generic_file_read,
+static const struct file_operations raw_fops = {
+	.read	=	do_sync_read,
 	.aio_read = 	generic_file_aio_read,
-	.write	=	raw_file_write,
-	.aio_write = 	raw_file_aio_write,
+	.write	=	do_sync_write,
+	.aio_write = 	generic_file_aio_write_nolock,
 	.open	=	raw_open,
 	.release=	raw_release,
 	.ioctl	=	raw_ioctl,
-	.readv	= 	generic_file_readv,
-	.writev	= 	generic_file_writev,
 	.owner	=	THIS_MODULE,
 };
 
-static struct file_operations raw_ctl_fops = {
+static const struct file_operations raw_ctl_fops = {
 	.ioctl	=	raw_ctl_ioctl,
 	.open	=	raw_open,
 	.owner	=	THIS_MODULE,
@@ -288,50 +262,39 @@ static struct cdev raw_cdev = {
 
 static int __init raw_init(void)
 {
-	int i;
 	dev_t dev = MKDEV(RAW_MAJOR, 0);
+	int ret;
 
-	if (register_chrdev_region(dev, MAX_RAW_MINORS, "raw"))
+	ret = register_chrdev_region(dev, MAX_RAW_MINORS, "raw");
+	if (ret)
 		goto error;
 
 	cdev_init(&raw_cdev, &raw_fops);
-	if (cdev_add(&raw_cdev, dev, MAX_RAW_MINORS)) {
+	ret = cdev_add(&raw_cdev, dev, MAX_RAW_MINORS);
+	if (ret) {
 		kobject_put(&raw_cdev.kobj);
-		unregister_chrdev_region(dev, MAX_RAW_MINORS);
-		goto error;
+		goto error_region;
 	}
 
 	raw_class = class_create(THIS_MODULE, "raw");
 	if (IS_ERR(raw_class)) {
 		printk(KERN_ERR "Error creating raw class.\n");
 		cdev_del(&raw_cdev);
-		unregister_chrdev_region(dev, MAX_RAW_MINORS);
-		goto error;
+		ret = PTR_ERR(raw_class);
+		goto error_region;
 	}
 	class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
 
-	devfs_mk_cdev(MKDEV(RAW_MAJOR, 0),
-		      S_IFCHR | S_IRUGO | S_IWUGO,
-		      "raw/rawctl");
-	for (i = 1; i < MAX_RAW_MINORS; i++)
-		devfs_mk_cdev(MKDEV(RAW_MAJOR, i),
-			      S_IFCHR | S_IRUGO | S_IWUGO,
-			      "raw/raw%d", i);
 	return 0;
 
+error_region:
+	unregister_chrdev_region(dev, MAX_RAW_MINORS);
 error:
-	printk(KERN_ERR "error register raw device\n");
-	return 1;
+	return ret;
 }
 
 static void __exit raw_exit(void)
 {
-	int i;
-
-	for (i = 1; i < MAX_RAW_MINORS; i++)
-		devfs_remove("raw/raw%d", i);
-	devfs_remove("raw/rawctl");
-	devfs_remove("raw");
 	class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0));
 	class_destroy(raw_class);
 	cdev_del(&raw_cdev);