[reactos] 01/02: [DESK] Add debug prints to pCDevSettings_GetDeviceInstanceId

[Stanislav Motylkov]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=fcba0968bef3e3ec529be…

commit fcba0968bef3e3ec529bebb5a97445a44c7068ba
Author:     Stanislav Motylkov <x86corez(a)gmail.com>
AuthorDate: Mon May 23 23:50:47 2022 +0300
Commit:     Stanislav Motylkov <x86corez(a)gmail.com>
CommitDate: Mon May 23 23:50:47 2022 +0300

    [DESK] Add debug prints to pCDevSettings_GetDeviceInstanceId
    
    Addendum to 3900cf88.
---
 dll/cpl/desk/devsett.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dll/cpl/desk/devsett.c b/dll/cpl/desk/devsett.c
index 27e75d6d349..dc801f4c624 100644
--- a/dll/cpl/desk/devsett.c
+++ b/dll/cpl/desk/devsett.c
@@ -199,27 +199,40 @@ pCDevSettings_GetDeviceInstanceId(const WCHAR *pszDevice)
 
     DevInfo = SetupDiGetClassDevsW(NULL, pszDevice, NULL, DIGCF_ALLCLASSES |
DIGCF_PRESENT);
     if (DevInfo == INVALID_HANDLE_VALUE)
+    {
+        DPRINT1("SetupDiGetClassDevsW(\"%ws\") failed: %d\n",
pszDevice, GetLastError());
         return NULL;
+    }
 
     ZeroMemory(&InfoData, sizeof(InfoData));
     InfoData.cbSize = sizeof(InfoData);
 
     /* Try to enumerate the first matching device */
     if (!SetupDiEnumDeviceInfo(DevInfo, 0, &InfoData))
+    {
+        DPRINT1("SetupDiEnumDeviceInfo failed: %d\n", GetLastError());
         return NULL;
+    }
 
     if (SetupDiGetDeviceInstanceId(DevInfo, &InfoData, NULL, 0, &BufLen) ||
         GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+    {
+        DPRINT1("SetupDiGetDeviceInstanceId failed: %d\n", GetLastError());
         return NULL;
+    }
 
     lpDevInstId = LocalAlloc(LMEM_FIXED,
                              (BufLen + 1) * sizeof(WCHAR));
 
     if (lpDevInstId == NULL)
+    {
+        DPRINT1("LocalAlloc failed\n");
         return NULL;
+    }
 
     if (!SetupDiGetDeviceInstanceId(DevInfo, &InfoData, lpDevInstId, BufLen, NULL))
     {
+        DPRINT1("SetupDiGetDeviceInstanceId failed: %d\n", GetLastError());
         LocalFree((HLOCAL)lpDevInstId);
         lpDevInstId = NULL;
     }