Messages in this thread |  | | Subject | Re: [PATCH] drm/radeon: fix NULL pointer dereference in UMS mode in radeon_cs_parser_fini() | From | Shuah Khan <> | Date | Thu, 17 Jan 2013 10:09:42 -0700 |
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On Wed, 2013-01-16 at 21:06 -0600, Ilija Hadzic wrote: > Actually, the code path affected by your patch is not executed in UMS mode > at all. Notice that radeon_cs_parser_fini is only called from > radeon_cs_ioctl which is a KMS-only ioctl (see radeon_kms.c). > > The equivalent of the fix you are trying to do is in > a6b7e1a02b77ab8fe8775d20a88c53d8ba55482e (function patched by that one is > the one used by legacy-CS ioctl), which you should go together > with ff4bd0827764e10a428a9d39e6814c5478863f94 if you are backporting UMS > fixes to 3.7. Both are needed to prevent kernel crashes in UMS mode. > > -- Ilija
Thanks. I will take a look at a6b7e1a02b77ab8fe8775d20a88c53d8ba55482e. I sent back-ported ff4bd0827764e10a428a9d39e6814c5478863f94 patch to stable and I will back-port and send a6b7e1a02b77ab8fe8775d20a88c53d8ba55482e as well.
-- Shuah
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