From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762220AbYFDMPj (ORCPT ); Wed, 4 Jun 2008 08:15:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760483AbYFDMKt (ORCPT ); Wed, 4 Jun 2008 08:10:49 -0400 Received: from wa-out-1112.google.com ([209.85.146.182]:20551 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753851AbYFDMKp (ORCPT ); Wed, 4 Jun 2008 08:10:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:references:user-agent:date:from:to:cc:subject :content-disposition; b=Q1A9FJ0vA6BmuncnbZZAUogljIZZlyjKDv5+5O/smNWgBZHZudEy4/j2MHetdN5Y+C 426IOn/Yidj+/NSsNmL3NisOYM8WlB6Y3oMBTuUQYt+/O7r/PP7XJx480GaS9sg4epQZ 1UyJRQ+BLw14bMWi6fnJm6hiri7W0RLQEcF4g= Message-Id: <20080604115824.062644468@gmail.com> References: <20080604115633.116832712@gmail.com> User-Agent: quilt/0.46-1 Date: Wed, 04 Jun 2008 20:56:49 +0900 From: Akinobu Mita To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org Cc: Len Brown , linux-acpi@vger.kernel.org Subject: [patch -v3 16/22] acpi: use memory_read_from_buffer Content-Disposition: inline; filename=acpi-use-memory-read-from-buffer.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Akinobu Mita Cc: Len Brown Cc: linux-acpi@vger.kernel.org --- drivers/acpi/system.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) Index: 2.6-git/drivers/acpi/system.c =================================================================== --- 2.6-git.orig/drivers/acpi/system.c +++ 2.6-git/drivers/acpi/system.c @@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct ko 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 ko 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, --