Check for OOM condition in XISendDeviceHierarchyEvent
When system is out of memory, calloc can fail returning a NULL pointer. Check for this before dereferencing it, and bail out if it fails. Ref.: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/720445 Signed-off-by: Bryce Harrington <bryce@canonical.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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@ -70,6 +70,8 @@ void XISendDeviceHierarchyEvent(int flags[MAXDEVICES])
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ev = calloc(1, sizeof(xXIHierarchyEvent) +
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MAXDEVICES * sizeof(xXIHierarchyInfo));
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if (!ev)
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return;
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ev->type = GenericEvent;
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ev->extension = IReqCode;
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ev->evtype = XI_HierarchyChanged;
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