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Fixed get_device_hid() to actually work. I love it when Intel provides incorrect docs for their APIs...

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12425 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Nathan Whitehorn
2005-04-17 02:40:11 +00:00
parent d7c2c05061
commit 79e1fcbc00
1 changed files with 11 additions and 3 deletions
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src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
+11 -3
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@@ -2,6 +2,7 @@
#include <KernelExport.h> #include <KernelExport.h>
#include <stdio.h> #include <stdio.h>
#include <malloc.h> #include <malloc.h>
#include <string.h>
#include "acpi.h" #include "acpi.h"
#include "acpixf.h" #include "acpixf.h"
@@ -205,15 +206,22 @@ status_t get_device (const char *hid, uint32 index, char *result) {
status_t get_device_hid (const char *path, char *hid) { status_t get_device_hid (const char *path, char *hid) {
ACPI_HANDLE handle; ACPI_HANDLE handle;
ACPI_DEVICE_INFO info; ACPI_DEVICE_INFO *info;
ACPI_BUFFER info_buffer;
if (AcpiGetHandle(NULL,path,&handle) != AE_OK) if (AcpiGetHandle(NULL,path,&handle) != AE_OK)
return B_ENTRY_NOT_FOUND; return B_ENTRY_NOT_FOUND;
if (AcpiGetObjectInfo(handle,&info) != AE_OK) info_buffer.Pointer = info = (ACPI_DEVICE_INFO *)malloc(sizeof(ACPI_DEVICE_INFO));
info_buffer.Length = sizeof(ACPI_DEVICE_INFO);
if (AcpiGetObjectInfo(handle,&info_buffer) != AE_OK) {
free(info_buffer.Pointer);
return B_BAD_TYPE; return B_BAD_TYPE;
}
strcpy(hid,info.HardwareId.Value); strncpy(hid,info->HardwareId.Value,ACPI_DEVICE_ID_LENGTH);
hid[8] = '\0';
return B_OK; return B_OK;
} }