X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=kernel%2Fconfigs.c;h=abaee684ecbf95fe1d47426d7b47b77e6ed91fab;hb=4f0e056fdebc15d3f4724ebc7bbf323158add1d7;hp=009e1ebdcb88e57b62d64daafb4be1be9468a514;hpb=f4b09ebc8baa51ec8394c4173e3de9d62b2cc97a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/kernel/configs.c b/kernel/configs.c
index 009e1eb..abaee68 100644
--- a/kernel/configs.c
+++ b/kernel/configs.c
@@ -23,7 +23,6 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
@@ -55,57 +54,38 @@
 
 #ifdef CONFIG_IKCONFIG_PROC
 
-/**************************************************/
-/* globals and useful constants                   */
-
 static ssize_t
 ikconfig_read_current(struct file *file, char __user *buf,
 		      size_t len, loff_t * offset)
 {
-	loff_t pos = *offset;
-	ssize_t count;
-
-	if (pos >= kernel_config_data_size)
-		return 0;
-
-	count = min(len, (size_t)(kernel_config_data_size - pos));
-	if (copy_to_user(buf, kernel_config_data + MAGIC_SIZE + pos, count))
-		return -EFAULT;
-
-	*offset += count;
-	return count;
+	return simple_read_from_buffer(buf, len, offset,
+				       kernel_config_data + MAGIC_SIZE,
+				       kernel_config_data_size);
 }
 
-static struct file_operations ikconfig_file_ops = {
+static const struct file_operations ikconfig_file_ops = {
 	.owner = THIS_MODULE,
 	.read = ikconfig_read_current,
 };
 
-/***************************************************/
-/* ikconfig_init: start up everything we need to */
-
 static int __init ikconfig_init(void)
 {
 	struct proc_dir_entry *entry;
 
 	/* create the current config file */
-	entry = create_proc_entry("config.gz", S_IFREG | S_IRUGO,
-				  &proc_root);
+	entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
+			    &ikconfig_file_ops);
 	if (!entry)
 		return -ENOMEM;
 
-	entry->proc_fops = &ikconfig_file_ops;
 	entry->size = kernel_config_data_size;
 
 	return 0;
 }
 
-/***************************************************/
-/* ikconfig_cleanup: clean up our mess           */
-
 static void __exit ikconfig_cleanup(void)
 {
-	remove_proc_entry("config.gz", &proc_root);
+	remove_proc_entry("config.gz", NULL);
 }
 
 module_init(ikconfig_init);