X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fconfigs.c;h=e84d3f9c6c7ba87218df59577462fc2523c0b6f9;hb=ca6435f188a0ce40eae716c158053e49130886a3;hp=f9e31974f4addf262cee19d1049f6b1fd55bc47e;hpb=c4e00fac42f268ed0a547cdd1d12bb8399864040;p=linux-2.6

diff --git a/kernel/configs.c b/kernel/configs.c
index f9e31974f4..e84d3f9c6c 100644
--- a/kernel/configs.c
+++ b/kernel/configs.c
@@ -61,21 +61,12 @@ 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,
 };