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(parent: 36abaca) | patch
drm/radeon: fix a bug in the SA code
authorChristian König <deathsimple@vodafone.de>
Wed, 2 May 2012 13:11:14 +0000 (15:11 +0200)
committerDave Airlie <airlied@redhat.com>
Thu, 3 May 2012 08:16:15 +0000 (09:16 +0100)
commit96050bca22f4fe6c8db175e02c8530a9720e5e9b
treefeeb08d3e5c23e8b46891a572bd5c8b8aacf98d6tree | snapshot
parent36abacaed34bc1f5bcb11ca611dd3a06c5c0ef39commit | diff
drm/radeon: fix a bug in the SA code

Aligning offset can make it bigger than tmp->offset
leading to an overrun bug in the following subtraction.

v2: Against initial suspicions this can't happen in mainline,
    so no need to push it into stable.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_sa.c diff | blob | history
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