ACPI / AC: constify DMI system id table

There is no need to have ac_dmi_table[] writeable, constify it.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index bbcc2b5a70d4aa53a9b014c871241e93aaab66e3..9b5354a2cd0897f1626b302f88722a78d0bd4f96 100644 (file)
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -308,7 +308,7 @@ static int thinkpad_e530_quirk(const struct dmi_system_id *d)
        return 0;
 }
 
-static struct dmi_system_id ac_dmi_table[] = {
+static const struct dmi_system_id ac_dmi_table[] = {
        {
        .callback = thinkpad_e530_quirk,
        .ident = "thinkpad e530",