X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fsystem.c;h=5bd2dec9a7ac34848be5c5a5fe4a74a411a06391;hb=54364b752ef0c91fe92684df000cc4593d1e8963;hp=55cf4c05bb74edc7714ddb4a000b729395feb291;hpb=b5eb9513f7c1bee862ada22bf1489f53752686bd;p=linux-2.6

diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 55cf4c05bb..5bd2dec9a7 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct kobject *kobj,
 	    container_of(bin_attr, struct acpi_table_attr, attr);
 	struct acpi_table_header *table_header = NULL;
 	acpi_status status;
-	ssize_t ret_count = count;
 
 	status =
 	    acpi_get_table(table_attr->name, table_attr->instance,
@@ -85,18 +84,8 @@ static ssize_t acpi_table_show(struct kobject *kobj,
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	if (offset >= table_header->length) {
-		ret_count = 0;
-		goto end;
-	}
-
-	if (offset + ret_count > table_header->length)
-		ret_count = table_header->length - offset;
-
-	memcpy(buf, ((char *)table_header) + offset, ret_count);
-
-      end:
-	return ret_count;
+	return memory_read_from_buffer(buf, count, &offset,
+					table_header, table_header->length);
 }
 
 static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
@@ -319,7 +308,7 @@ void acpi_irq_stats_init(void)
 		goto fail;
 
 	for (i = 0; i < num_counters; ++i) {
-		char buffer[10];
+		char buffer[12];
 		char *name;
 
 		if (i < num_gpes)
@@ -396,6 +385,7 @@ static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations acpi_system_info_ops = {
+	.owner = THIS_MODULE,
 	.open = acpi_system_info_open_fs,
 	.read = seq_read,
 	.llseek = seq_lseek,
@@ -406,6 +396,7 @@ static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
 				     loff_t *);
 
 static const struct file_operations acpi_system_dsdt_ops = {
+	.owner = THIS_MODULE,
 	.read = acpi_system_read_dsdt,
 };
 
@@ -430,6 +421,7 @@ static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
 				     loff_t *);
 
 static const struct file_operations acpi_system_fadt_ops = {
+	.owner = THIS_MODULE,
 	.read = acpi_system_read_fadt,
 };
 
@@ -454,31 +446,23 @@ static int acpi_system_procfs_init(void)
 {
 	struct proc_dir_entry *entry;
 	int error = 0;
-	char *name;
 
 	/* 'info' [R] */
-	name = ACPI_SYSTEM_FILE_INFO;
-	entry = create_proc_entry(name, S_IRUGO, acpi_root_dir);
+	entry = proc_create(ACPI_SYSTEM_FILE_INFO, S_IRUGO, acpi_root_dir,
+			    &acpi_system_info_ops);
 	if (!entry)
 		goto Error;
-	else {
-		entry->proc_fops = &acpi_system_info_ops;
-	}
 
 	/* 'dsdt' [R] */
-	name = ACPI_SYSTEM_FILE_DSDT;
-	entry = create_proc_entry(name, S_IRUSR, acpi_root_dir);
-	if (entry)
-		entry->proc_fops = &acpi_system_dsdt_ops;
-	else
+	entry = proc_create(ACPI_SYSTEM_FILE_DSDT, S_IRUSR, acpi_root_dir,
+			    &acpi_system_dsdt_ops);
+	if (!entry)
 		goto Error;
 
 	/* 'fadt' [R] */
-	name = ACPI_SYSTEM_FILE_FADT;
-	entry = create_proc_entry(name, S_IRUSR, acpi_root_dir);
-	if (entry)
-		entry->proc_fops = &acpi_system_fadt_ops;
-	else
+	entry = proc_create(ACPI_SYSTEM_FILE_FADT, S_IRUSR, acpi_root_dir,
+			    &acpi_system_fadt_ops);
+	if (!entry)
 		goto Error;
 
       Done: