drm/amdgpu: avoid a possible array overflow
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Aug 2016 16:31:36 +0000 (12:31 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Aug 2016 18:04:24 +0000 (14:04 -0400)
commite1718d97aa88ea44a6a8f50ff464253dd0dacf01
treed168d3c0c61ff0c9874566111bc2d6aa74ce63ee
parent5661538749511d4c2f7d33e1e179f10c545b24d5
drm/amdgpu: avoid a possible array overflow

When looking up the connector type make sure the index
is valid.  Avoids a later crash if we read past the end
of the array.

Workaround for bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97460

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c