https://git.reactos.org/?p=reactos.git;a=commitdiff;h=a7a222b52db416283eeca2aa0e3d0a923d2881e9
commit a7a222b52db416283eeca2aa0e3d0a923d2881e9 Author: Eric Kohl <[email protected]> AuthorDate: Sat Apr 23 16:59:47 2022 +0200 Commit: Eric Kohl <[email protected]> CommitDate: Sat Apr 23 16:59:47 2022 +0200 [UMPNPMGR] PNP_CreateDevInst: Convert a phantom device to a normal device --- base/services/umpnpmgr/rpcserver.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/base/services/umpnpmgr/rpcserver.c b/base/services/umpnpmgr/rpcserver.c index 26b9ab88ab3..50cf19b261c 100644 --- a/base/services/umpnpmgr/rpcserver.c +++ b/base/services/umpnpmgr/rpcserver.c @@ -3057,6 +3057,7 @@ PNP_CreateDevInst( DWORD ulFlags) { HKEY hKey = NULL; + DWORD dwSize, dwPhantom; CONFIGRET ret = CR_SUCCESS; DPRINT("PNP_CreateDevInst(%p %S %S %lu 0x%08lx)\n", @@ -3104,8 +3105,26 @@ PNP_CreateDevInst( goto done; } - /* Create the device instance */ - ret = CreateDeviceInstance(pszDeviceID, FALSE); + /* If it does not already exist ... */ + if (hKey == NULL) + { + /* Create the device instance */ + ret = CreateDeviceInstance(pszDeviceID, FALSE); + + /* Open the device instance key */ + RegOpenKeyEx(hEnumKey, pszDeviceID, 0, KEY_READ | KEY_WRITE, &hKey); + } + + /* If the device instance is a phantom, turn it into an non-phantom */ + if (hKey != NULL) + { + dwPhantom = 0; + dwSize = sizeof(DWORD); + RegQueryValueEx(hKey, L"Phantom", NULL, NULL, (PBYTE)&dwPhantom, &dwSize); + + if (dwPhantom != 0) + RegDeleteValue(hKey, L"Phantom"); + } } done:
