[Bug 46274] Reading from /sys/kernel/debug/dri/0/radeon_ring_cp* cause null-pointer dereference

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46274

--- Comment #3 from Florian Mickler <florian at mickler.org> 2012-02-27 14:29:59 PST ---
A patch referencing this bug report has been merged in Linux v3.3-rc5:

commit f0d14daa6906070ca044b86f483fdde7d81f5294
Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Tue Feb 21 17:39:15 2012 +0100

    drm/radeon: Only create additional ring debugfs files on Cayman or newer.

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