On Tue, Aug 21, 2007 at 07:14:49PM +0400, Alexey Starikovskiy wrote:
> WANG Cong wrote:
> > Fix this warning:
> >
> > drivers/acpi/ec.c: In function `acpi_ec_ecdt_probe':
> > drivers/acpi/ec.c:873: warning: passing arg 1 of `acpi_get_devices' discards qualifiers from pointer target type
> >
> > (I don't know whether this fix hits the real problem.)
> >
> It is safe to give acpi_get_devices() const string, as it should not
> modify it in any condition.
Signed-off-by: Al Viro <[email protected]>
---
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index ab65b2c..f39fbc6 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -540,7 +540,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
******************************************************************************/
acpi_status
-acpi_get_devices(char *HID,
+acpi_get_devices(const char *HID,
acpi_walk_callback user_function,
void *context, void **return_value)
{
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index b5cca5d..3d7ab9e 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -130,7 +130,7 @@ acpi_walk_namespace(acpi_object_type type,
void *context, void **return_value);
acpi_status
-acpi_get_devices(char *HID,
+acpi_get_devices(const char *HID,
acpi_walk_callback user_function,
void *context, void **return_value);
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index aeb4498..8848265 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -146,7 +146,7 @@ struct acpi_init_walk_info {
struct acpi_get_devices_info {
acpi_walk_callback user_function;
void *context;
- char *hid;
+ const char *hid;
};
union acpi_aml_operands {
-
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