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Check DC for NULL before accessing it, fixes Coverity CID 661.

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svn path=/trunk/; revision=36609
This commit is contained in:
Gregor Schneider 2008-10-01 11:48:12 +00:00
parent dc3e3e8ef0
commit ac197ef4f3
1 changed files with 2 additions and 2 deletions
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4
reactos/subsystems/win32/win32k/objects/text.c
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@ -3356,13 +3356,13 @@ NtGdiGetCharSet(HDC hDC)
DWORD cscp = IntGdiGetCharSet(hDC);
// If here, update everything!
Dc = DC_LockDc(hDC);
Dc_Attr = Dc->pDc_Attr;
if (!Dc_Attr) Dc_Attr = &Dc->Dc_Attr;
if (!Dc)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
Dc_Attr = Dc->pDc_Attr;
if (!Dc_Attr) Dc_Attr = &Dc->Dc_Attr;
Dc_Attr->iCS_CP = cscp;
Dc_Attr->ulDirty_ &= ~DIRTY_CHARSET;
DC_UnlockDc( Dc );