On Sat, 2010-07-24 at 01:39 +0800, Yinghai Lu wrote:
> also check if we can find right action in apei.
>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
>
> ---
> drivers/acpi/apei/apei-base.c | 5 +++++
> drivers/acpi/apei/einj.c | 3 ++-
> drivers/acpi/apei/erst.c | 3 ++-
> 3 files changed, 9 insertions(+), 2 deletions(-)
>
> Index: linux-2.6/drivers/acpi/apei/einj.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/apei/einj.c
> +++ linux-2.6/drivers/acpi/apei/einj.c
> @@ -426,7 +426,8 @@ DEFINE_SIMPLE_ATTRIBUTE(error_inject_fop
>
> static int einj_check_table(struct acpi_table_einj *einj_tab)
> {
> - if (einj_tab->header_length != sizeof(struct acpi_table_einj))
> + if (einj_tab->header_length !=
> + (sizeof(struct acpi_table_einj) - sizeof(einj_tab->header)))
> return -EINVAL;
It seems that the header_length field is not set properly by BIOS on my
testing machine which I used to develop the original code. Will try to
contact BIOS guys to make sure.
> Index: linux-2.6/drivers/acpi/apei/apei-base.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/apei/apei-base.c
> +++ linux-2.6/drivers/acpi/apei/apei-base.c
> @@ -163,6 +163,7 @@ int apei_exec_run(struct apei_exec_conte
> u32 i, ip;
> struct acpi_whea_header *entry;
> apei_exec_ins_func_t run;
> + bool found_action = false;
>
> ctx->ip = 0;
>
> @@ -178,6 +179,7 @@ rewind:
> entry = &ctx->action_table[i];
> if (entry->action != action)
> continue;
> + found_action = true;
> if (ip == ctx->ip) {
> if (entry->instruction >= ctx->instructions ||
> !ctx->ins_table[entry->instruction].run) {
> @@ -198,6 +200,9 @@ rewind:
> goto rewind;
> }
>
> + if (!found_action)
> + return -ENODEV;
-ENOENT is better here?
Best Regards,
Huang Ying
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
