Messages in this thread Patch in this message | | | Date | Wed, 04 Jun 2008 20:56:49 +0900 | From | Akinobu Mita <> | Subject | [patch -v3 16/22] acpi: use memory_read_from_buffer |
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Len Brown <len.brown@intel.com> 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, --
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