ntoskrnl.exe: Don't add device to the list if IoCreateDevice fails.

Spotted by Zebediah Figura. Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntoskrnl.exe: Don't add device to the list if IoCreateDevice fails.
80d53026 · Jacek Caban · Alexandre Julliard · 061f65f9 · 80d53026
Commit 80d53026 authored Apr 08, 2019 by Jacek Caban Committed by Alexandre Julliard Apr 08, 2019
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Showing with 3 additions and 3 deletions

ntoskrnl.c dlls/ntoskrnl.exe/ntoskrnl.c +3 -3

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--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -1502,9 +1502,6 @@ NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
    device->DeviceType      = type;
    device->StackSize       = 1;

-    device->NextDevice   = driver->DeviceObject;
-    driver->DeviceObject = device;
-
    SERVER_START_REQ( create_device )
    {
        req->rootdir    = 0;
@@ -1521,6 +1518,9 @@ NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
        return status;
    }

+    device->NextDevice   = driver->DeviceObject;
+    driver->DeviceObject = device;
+
    *ret_device = device;
    return STATUS_SUCCESS;
 }