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Don't try to access an optional parameter if it is NULL

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svn path=/trunk/; revision=19242
This commit is contained in:
Hervé Poussineau
2005-11-15 08:27:38 +00:00
parent 6a1f0829e2
commit 4c4a431c18
1 changed files with 1 additions and 1 deletions
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reactos/lib/setupapi/devinst.c
+1 -1
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@@ -1236,7 +1236,7 @@ static LONG SETUP_CreateDevList(
DWORD dwLength;
DWORD rc;
if (IsEqualIID(class, &GUID_NULL))
if (class && IsEqualIID(class, &GUID_NULL))
class = NULL;
/* Open Enum key */