From: Len Brown <lenb@kernel.org>
To: Alexey Starikovskiy <astarikovskiy@suse.de>,
Frans Pop <elendil@planet.nl>,
Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Linux-acpi@vger.kernel.org
Subject: Re: [PATCH] ACPI: Battery: Allow extract string from integer
Date: Mon, 29 Oct 2007 16:57:12 -0400 [thread overview]
Message-ID: <200710291657.12962.lenb@kernel.org> (raw)
In-Reply-To: <20071029202938.16515.24421.stgit@samsung>
Applied.
Andrey, Frans,
thanks for helping with Alexey's patch this weekend.
-Len
On Monday 29 October 2007 16:29, Alexey Starikovskiy wrote:
> Some machines return integer instead of expected string.
>
> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
> ---
>
> drivers/acpi/battery.c | 25 +++++++++++++++----------
> 1 files changed, 15 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index 02a396d..6c06879 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -260,7 +260,7 @@ static int extract_package(struct acpi_battery *battery,
> union acpi_object *package,
> struct acpi_offsets *offsets, int num)
> {
> - int i, *x;
> + int i;
> union acpi_object *element;
> if (package->type != ACPI_TYPE_PACKAGE)
> return -EFAULT;
> @@ -269,16 +269,21 @@ static int extract_package(struct acpi_battery *battery,
> return -EFAULT;
> element = &package->package.elements[i];
> if (offsets[i].mode) {
> - if (element->type != ACPI_TYPE_STRING &&
> - element->type != ACPI_TYPE_BUFFER)
> - return -EFAULT;
> - strncpy((u8 *)battery + offsets[i].offset,
> - element->string.pointer, 32);
> + u8 *ptr = (u8 *)battery + offsets[i].offset;
> + if (element->type == ACPI_TYPE_STRING ||
> + element->type == ACPI_TYPE_BUFFER)
> + strncpy(ptr, element->string.pointer, 32);
> + else if (element->type == ACPI_TYPE_INTEGER) {
> + strncpy(ptr, (u8 *)&element->integer.value,
> + sizeof(acpi_integer));
> + ptr[sizeof(acpi_integer)] = 0;
> + } else return -EFAULT;
> } else {
> - if (element->type != ACPI_TYPE_INTEGER)
> - return -EFAULT;
> - x = (int *)((u8 *)battery + offsets[i].offset);
> - *x = element->integer.value;
> + if (element->type == ACPI_TYPE_INTEGER) {
> + int *x = (int *)((u8 *)battery +
> + offsets[i].offset);
> + *x = element->integer.value;
> + } else return -EFAULT;
> }
> }
> return 0;
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2007-10-29 20:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 20:29 [PATCH] ACPI: Battery: Allow extract string from integer Alexey Starikovskiy
2007-10-29 20:57 ` Len Brown [this message]
2007-10-29 22:37 ` Rafael J. Wysocki
2007-10-30 15:12 ` Len Brown
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