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[SETUPAPI] SetupDiCreateDevRegKeyW / SetupDiOpenDevRegKey: Create or open the 'Device Parameters' subkey of the given devices enum key when we try to access its hardware key.

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This creates the PortName value in the proper location for serial ports.
This commit is contained in:
Eric Kohl 2018-09-22 14:43:43 +02:00
parent e32a2cc026
commit de08785ade
1 changed files with 33 additions and 0 deletions
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33
dll/win32/setupapi/devinst.c
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@ -1515,6 +1515,27 @@ HKEY WINAPI SetupDiCreateDevRegKeyW(
SetLastError(rc);
goto cleanup;
}
if (Scope == DICS_FLAG_GLOBAL)
{
HKEY hTempKey = hKey;
rc = RegCreateKeyExW(hTempKey,
L"Device Parameters",
0,
NULL,
REG_OPTION_NON_VOLATILE,
#if _WIN32_WINNT >= 0x502
KEY_READ | KEY_WRITE,
#else
KEY_ALL_ACCESS,
#endif
NULL,
&hKey,
NULL);
if (rc == ERROR_SUCCESS)
RegCloseKey(hTempKey);
}
}
else /* KeyType == DIREG_DRV */
{
@ -5905,6 +5926,18 @@ HKEY WINAPI SetupDiOpenDevRegKey(
{
case DIREG_DEV:
key = SETUPDI_OpenDevKey(RootKey, devInfo, samDesired);
if (Scope == DICS_FLAG_GLOBAL)
{
LONG rc;
HKEY hTempKey = key;
rc = RegOpenKeyExW(hTempKey,
L"Device Parameters",
0,
samDesired,
&key);
if (rc == ERROR_SUCCESS)
RegCloseKey(hTempKey);
}
break;
case DIREG_DRV:
key = SETUPDI_OpenDrvKey(RootKey, devInfo, samDesired);