ntoskrnl: Allow space for the '\0'.

Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntoskrnl: Allow space for the '\0'.
9f74c00e · Huw Davies · Alexandre Julliard · cbbbb70c · 9f74c00e
Commit 9f74c00e authored Sep 13, 2018 by Huw Davies Committed by Alexandre Julliard Sep 13, 2018
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ntoskrnl.c dlls/ntoskrnl.exe/ntoskrnl.c +1 -1

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--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -1353,7 +1353,7 @@ NTSTATUS WINAPI IoSetDeviceInterfaceState( UNICODE_STRING *name, BOOLEAN enable 
    if (!guid_from_string( (refstr ? refstr : name->Buffer + namelen) - 38, &class ))
        return STATUS_INVALID_PARAMETER;

-    len = strlenW(DeviceClassesW) + 38 + 1 + namelen + 2;
+    len = strlenW(DeviceClassesW) + 38 + 1 + namelen + 2 + 1;

    if (!(path = heap_alloc( len * sizeof(WCHAR) )))
        return STATUS_NO_MEMORY;