Re: [PATCH 10/22] ACPI / battery: Replace strnicmp with strncasecmp

From: Rafael J. Wysocki
Date: Thu Sep 25 2014 - 19:26:24 EST


On Tuesday, September 16, 2014 10:51:24 PM Rasmus Villemoes wrote:
> The kernel used to contain two functions for length-delimited,
> case-insensitive string comparison, strnicmp with correct semantics
> and a slightly buggy strncasecmp. The latter is the POSIX name, so
> strnicmp was renamed to strncasecmp, and strnicmp made into a wrapper
> for the new strncasecmp to avoid breaking existing users.
>
> To allow the compat wrapper strnicmp to be removed at some point in
> the future, and to avoid the extra indirection cost, do
> s/strnicmp/strncasecmp/g.
>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> Cc: Len Brown <lenb@xxxxxxxxxx>
> Cc: linux-acpi@xxxxxxxxxxxxxxx
> Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>

Queued up for 3.18, thanks!

> ---
> drivers/acpi/battery.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index 5fdfe65..8ec8a89 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -695,7 +695,7 @@ static void acpi_battery_quirks(struct acpi_battery *battery)
> if (battery->power_unit && dmi_name_in_vendors("LENOVO")) {
> const char *s;
> s = dmi_get_system_info(DMI_PRODUCT_VERSION);
> - if (s && !strnicmp(s, "ThinkPad", 8)) {
> + if (s && !strncasecmp(s, "ThinkPad", 8)) {
> dmi_walk(find_battery, battery);
> if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH,
> &battery->flags) &&
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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