On Wed, 2008-06-04 at 20:56 +0900, Akinobu Mita wrote:
> plain text document attachment
> (acpi-use-memory-read-from-buffer.patch)
> Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Cc: linux-acpi@xxxxxxxxxxxxxxx
> ---
> 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);
> }
it seems that there is no definition of memory_read_from_buffer.
Where is the function of memory_read_from_buffer defined?
Is there a bug about the current function of acpi_table_show?
Thanks.
>
> static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
>
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