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[WIN32SS] Do not try to call DevModes when it is NULL (mirror drivers). Patch by Victor Matovykh. CORE-11441 #resolve #comment Thanks!

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svn path=/trunk/; revision=71882
This commit is contained in:
Mark Jansen 2016-07-10 14:23:58 +00:00
parent 0ecb33fb4b
commit 954b67bd37
1 changed files with 6 additions and 0 deletions
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6
reactos/win32ss/gdi/eng/ldevobj.c
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@ -122,6 +122,12 @@ LDEVOBJ_pdmiGetModes(
TRACE("LDEVOBJ_pdmiGetModes(%p, %p)\n", pldev, hDriver);
/* Mirror drivers may omit this function */
if (!pldev->pfn.GetModes)
{
return NULL;
}
/* Call the driver to get the required size */
cbSize = pldev->pfn.GetModes(hDriver, 0, NULL);
if (!cbSize)