[reactos] 01/04: [USBCCGP] Do not try to unconfigure a device that is not configured.

[Thomas Faber]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=528fc589c006d39dfdd6b…

commit 528fc589c006d39dfdd6bc0e2f15de39f8d96466
Author:     Thomas Faber <thomas.faber(a)reactos.org>
AuthorDate: Sun Mar 3 18:24:44 2019 +0100
Commit:     Thomas Faber <thomas.faber(a)reactos.org>
CommitDate: Sun Apr 14 15:32:12 2019 +0200

    [USBCCGP] Do not try to unconfigure a device that is not configured.
    
    Fixes handling failed IRP_MN_START_DEVICE.
---
 drivers/usb/usbccgp/fdo.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/usbccgp/fdo.c b/drivers/usb/usbccgp/fdo.c
index 7916e8acf3..927d19ef0f 100644
--- a/drivers/usb/usbccgp/fdo.c
+++ b/drivers/usb/usbccgp/fdo.c
@@ -338,6 +338,13 @@ FDO_CloseConfiguration(
     FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
     ASSERT(FDODeviceExtension->Common.IsFDO);
 
+    /* Nothing to do if we're not configured */
+    if (FDODeviceExtension->ConfigurationDescriptor == NULL ||
+        FDODeviceExtension->InterfaceList == NULL)
+    {
+        return STATUS_SUCCESS;
+    }
+
     /* Now allocate the urb */
     Urb =
USBD_CreateConfigurationRequestEx(FDODeviceExtension->ConfigurationDescriptor,
                                             FDODeviceExtension->InterfaceList);