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[NTOSKRNL]

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IoRegisterPlugPlayNotification: Do not fail if no Interface can be found for the given GUID. Just do not call the Callback-Routine in this case. The Interface could be created later.

svn path=/trunk/; revision=48896
This commit is contained in:
Eric Kohl 2010-09-25 21:49:15 +00:00
parent d695e74a70
commit 1f2f04ed9b
1 changed files with 22 additions and 28 deletions
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50
reactos/ntoskrnl/io/pnpmgr/pnpnotify.c
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@ -290,36 +290,30 @@ IoRegisterPlugPlayNotification(IN IO_NOTIFICATION_EVENT_CATEGORY EventCategory,
NULL, /* PhysicalDeviceObject OPTIONAL */
0, /* Flags */
&SymbolicLinkList);
if (!NT_SUCCESS(Status))
if (NT_SUCCESS(Status))
{
DPRINT("IoGetDeviceInterfaces() failed with status 0x%08lx\n",
Status);
ExFreePoolWithTag(Entry, TAG_PNP_NOTIFY);
ObDereferenceObject(DriverObject);
return Status;
/* Enumerate SymbolicLinkList */
NotificationInfos.Version = 1;
NotificationInfos.Size = sizeof(DEVICE_INTERFACE_CHANGE_NOTIFICATION);
RtlCopyMemory(&NotificationInfos.Event,
&GUID_DEVICE_INTERFACE_ARRIVAL,
sizeof(GUID));
RtlCopyMemory(&NotificationInfos.InterfaceClassGuid,
EventCategoryData,
sizeof(GUID));
NotificationInfos.SymbolicLinkName = &SymbolicLinkU;
for (SymbolicLink = SymbolicLinkList;
*SymbolicLink;
SymbolicLink += wcslen(SymbolicLink) + 1)
{
RtlInitUnicodeString(&SymbolicLinkU, SymbolicLink);
DPRINT("Calling callback routine for %S\n", SymbolicLink);
(*CallbackRoutine)(&NotificationInfos, Context);
}
ExFreePool(SymbolicLinkList);
}
/* Enumerate SymbolicLinkList */
NotificationInfos.Version = 1;
NotificationInfos.Size = sizeof(DEVICE_INTERFACE_CHANGE_NOTIFICATION);
RtlCopyMemory(&NotificationInfos.Event,
&GUID_DEVICE_INTERFACE_ARRIVAL,
sizeof(GUID));
RtlCopyMemory(&NotificationInfos.InterfaceClassGuid,
EventCategoryData,
sizeof(GUID));
NotificationInfos.SymbolicLinkName = &SymbolicLinkU;
for (SymbolicLink = SymbolicLinkList;
*SymbolicLink;
SymbolicLink += wcslen(SymbolicLink) + 1)
{
RtlInitUnicodeString(&SymbolicLinkU, SymbolicLink);
DPRINT("Calling callback routine for %S\n", SymbolicLink);
(*CallbackRoutine)(&NotificationInfos, Context);
}
ExFreePool(SymbolicLinkList);
}
Entry->PnpNotificationProc = CallbackRoutine;