Changhui Liu : hidclass.sys: Initialize ext-> irp_queue immediately after HID_CreateDevice.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: acdd869e5d2b2fa01c60eddab7445b71ac21881a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=acdd869e5d2b2fa01c60eddab7...

Author: Changhui Liu <liuchanghui(a)linuxdeepin.com>
Date:   Fri Dec 18 14:40:16 2015 +0800

hidclass.sys: Initialize ext->irp_queue immediately after HID_CreateDevice.

Signed-off-by: Changhui Liu <liuchanghui(a)linuxdeepin.com>
Signed-off-by: Aric Stewart <aric(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/hidclass.sys/pnp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/hidclass.sys/pnp.c b/dlls/hidclass.sys/pnp.c
index 1ae3bb0..24dd140 100644
--- a/dlls/hidclass.sys/pnp.c
+++ b/dlls/hidclass.sys/pnp.c
@@ -132,6 +132,9 @@ NTSTATUS WINAPI PNP_AddDevice(DRIVER_OBJECT *driver, DEVICE_OBJECT *PDO)
         return status;
     }
 
+    ext = device->DeviceExtension;
+    InitializeListHead(&ext->irp_queue);
+
     TRACE("Created device %p\n",device);
     status = minidriver->AddDevice(minidriver->minidriver.DriverObject, device);
     if (status != STATUS_SUCCESS)
@@ -160,7 +163,6 @@ NTSTATUS WINAPI PNP_AddDevice(DRIVER_OBJECT *driver, DEVICE_OBJECT *PDO)
         return status;
     }
 
-    ext = device->DeviceExtension;
     ext->information.VendorID = attr.VendorID;
     ext->information.ProductID = attr.ProductID;
     ext->information.VersionNumber = attr.VersionNumber;
@@ -233,7 +235,6 @@ NTSTATUS WINAPI PNP_AddDevice(DRIVER_OBJECT *driver, DEVICE_OBJECT *PDO)
     HID_LinkDevice(device, serial, interface);
 
     ext->poll_interval = DEFAULT_POLL_INTERVAL;
-    InitializeListHead(&ext->irp_queue);
 
     ext->ring_buffer = RingBuffer_Create(sizeof(HID_XFER_PACKET) + ext->preparseData->caps.InputReportByteLength);